In summary, the tension in the rope is responsible for keeping both blocks at rest.
Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface. Block AA has a mass of 13.5 kg, and block BB has a mass of m kg. A constant horizontal force F is applied to block AA.
When the force F is applied, it creates tension in the rope, which is transmitted to block BB. According to Newton's third law of motion, the tension in the rope acts on both blocks in opposite directions with the same magnitude.
Since the blocks are at rest, the net force on each block must be zero. This means that the tension in the rope balances the force F applied to block AA, preventing it from moving.
Additionally, the tension in the rope also balances the gravitational force acting on block BB.
In summary, the tension in the rope is responsible for keeping both blocks at rest.
To know more about responsible visit:
https://brainly.com/question/28903029
#SPJ11
(PLESE HELP) why does boiling pot of water have more temperature that an iceberg
a friend of yours (who has not had the benefit of an astronomy course) tells you about a report he has read in a tabloid newspaper. they claim that on the dark side of the moon, which is never in sunlight, there is a secret base of aliens who cannot stand light, and who send ufo's to earth under the cover of darkness. ignoring the ufo claim for a moment, what is the scientific error in this story? question 5 options: sunlight cannot reach any side of the moon, so every side always looks the same. the dark side of the moon is the one that faces the earth and our telescopes would have spotted such a base. there is no scientific problems with this story. since the moon is turning, we see all sides from earth in the course of a month. all sides of the moon are illuminated by sunlight in the course of a month; there is no permanent dark side.
The scientific error in this story is "the dark side of the moon is the one that faces the earth and our telescopes would have spotted such a base."
What is the scientific error?The scientific error in this story is "the dark side of the moon is the one that faces the earth and our telescopes would have spotted such a base." This is incorrect because the moon is tidally locked with Earth, meaning that the same side of the moon always faces Earth.
This side is not always dark; it experiences both day and night just like any other part of the moon. In fact, the far side of the moon (the side facing away from Earth) is often referred to as the "dark side" because it is less visible to us, but it is not always in darkness.
Additionally, there is no evidence to support the claim of a secret alien base on any part of the moon.
Learn more about scientific error here: https://brainly.com/question/13648997
#SPJ1
Three beads are placed along a thin rod. The first bead, of mass m1 = 27 g, is placed a distance d1 = 1. 3 cm from the left end of the rod. The second bead, of mass m2 = 14 g, is placed a distance d2 = 1. 9 cm to the right of the first bead. The third bead, of mass m3 = 49 g, is placed a distance d3 = 3. 1 cm to the right of the second bead. Assume an x-axis that points to the right. A) write a symbolic equation for the location of the center of mass of the three beads relative to the left end of the rod, in terms of the variables given in the problem statement.
B) find the center of mass in centimeters relative to the left end of the rod
C) write a symbolic equation for the location of the center of mass of the three beads relative to the center bead in terms of the variables given in the statement problem
D) find the center of mass in centimeters relative to the middle bead
A. Symbolic equation for the location of the center of mass of the three beads relative to the left end of the rodIn order to find the center of mass, we need to use the formula:
\((M1x1 + M2x2 + M3x3) / M\\where\\M \\ =\\ m1 + m2 + m3M1 = m1M2 = \\m2M3 = m3x1 \\= d1x2 = d1 + d2x3 = d1 + d2 + d3\\\\Now, we have\\\\M1x1 + M2x2 + M3x3 = 27 × 0.013 + 14 × 0.032 + 49 × 0.062 \\= 0.1310M \\= m1 + m2 + m3 \\= 27 + 14 + 49 = 90\)
The location of the center of mass is given
\(asx = (M1x1 + M2x2 + M3x3) / M = 0.1310 / 90= 0.00146 cmB.\)
Find the center of mass in centimeters relative to the left end of the rodThe center of mass is located at a distance of 0.00146 cm relative to the left end of the rod.C. Symbolic equation for the location of the center of mass of the three beads relative to the center beadWe need to find the distance between the center bead and the center of mass.Let d = distance between center bead and the center of mass.
Find the center of mass in centimeters relative to the middle beadFrom the above equation in part C, we know
\(x2 + d = 0.1304\)
Let's calculate the distance between center bead and the center of mass,
\(d = x - x2 = 0.00146 cm\)
Now, we can find the center of mass in centimeters relative to the middle bead asx - x2 = 0.00146 cmThe center of mass is 0.00146 cm away from the middle bead.
To know more about Symbolic equation visit :
https://brainly.com/question/11565028
#SPJ11
How do motion and Newton's laws apply to your everyday life? (all the laws)
For me personally, Newton's third law of motion are ubiquitous in everyday life. For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air.
14. How do speed and velocity differ?
Answer:
Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement. Put another way, speed is a scalar value, while velocity is a vector.
Explanation:
Why do clownfish rarely go far from their home
Answer:
In the wild, clownfish rarely leave their anemone home. In fact, part of its purpose is to defend the anemone from other fish. However, clownfish bred in aquariums (without an anemone home) may still have this instinct, but it’s much calmer than wild harvested species.
Explanation:
Determine whether the series is convergent or divergent. 1 + 7n Σ 57 n = 1 convergent divergent If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.) 7 4
The given series, 1 + 7n Σ 57 n = 1, is divergent because the terms in the series continue to increase without bounds, the sum of the series also increases indefinitely.
To determine the convergence or divergence of the series, we can analyze its behaviour as n approaches infinity. The series can be written as Σ(1 + 7n*57) for n = 1 to infinity. By simplifying the expression, we have Σ(399n + 1) for n = 1 to infinity.
As n increases, the summand of the series grows linearly with a coefficient of 399. Since the coefficient is nonzero and positive, the series will diverge. This means that the sum of the series will not approach a finite value as n tends to infinity.
Therefore, the given series is divergent, and we cannot find its sum. It is important to note that a divergent series does not have a finite sum. Therefore, the sum of the given series is "DIVERGES."
Learn more about convergence here:
https://brainly.com/question/28501133
#SPJ11
Which of the following is not a force? *
gravity
friction
tension
acceleration
Answer:
tension
Explanation:
its a feeling
The penguin swims leftward 9m then dodges rightward another 12m. The penguin swims a total of 8s. What’s the penguins average velocity during the chase?
Answer:
Average velocity = 0.375 m/s
Explanation:
Average velocity = net displacement/total time
The penguin swims leftward 9m then dodges rightward another 12m. Let left side is negative and right side is positive.
Average velocity,
\(v=\dfrac{-9+12}{8}\\\\v=\dfrac{3\ m}{8\ s}\\\\v=0.375\ m/s\)
So, the penguin's average velocity during the chase is 0.375 m/s.
Answer:
Velocity=0.38
Speed=2.6
Explanation:
What is the focal length of a lens if an object placed 3.28 cm from the lens produces an image that is 1.91 cm in front of the lens?0.828cm-4.57cm-0.219cm1.21cm
Using lens equation:
\(\begin{gathered} \frac{1}{f}=\frac{1}{d_i}+\frac{1}{d_o} \\ where: \\ di=1.91 \\ d_o=3.28 \\ so: \\ \frac{1}{f}=\frac{1}{1.91}+\frac{1}{3.28} \\ so: \\ f\approx1.21cm \end{gathered}\)Answer:
1.21 cm
A body of mass 250g is release d from the top of a building. If the body hits the ground with a velocity of 4m/s, calculate the height of the building (g = 10 m/s squared)
Answer:
the height of the building is 0.8 m.
Explanation:
Given;
mass of the object, m = 250 g = 0.25 kg
final velocity of the object, v = 4 m/s
let the height of the building = h
Apply the principle of conservation of energy to determine the height of the building;
¹/₂mv² = mgh
¹/₂v² = gh
\(h = \frac{v^2}{2g} \\\\h = \frac{4 ^2}{2 \times 10} \\\\h = 0.8 \ m\)
Therefore, the height of the building is 0.8 m.
Since all stars begin their lives with the same basic composition what characteristics most determines how they will differ
Answer:
Mass they are formed with
Explanation:
All stars are born with the same composition such as one quarter of helium, three quarter of hydrogen, and heavier element does not found more than two except their mass. Mass that differ all stars from other stars they born with. How much the mass of a star is large , the star would be as messy.
For example our sun is a star and have large mass four times greater than other living stars. It is found that smallest mass is around 1/12th of sun mass. The masses of a star is determined by its orbit binary. Sun is called a brown dwarf.
A new way of "multiplying" two vectors is introduced in this chapter. What is it called? Select one: O a. The tensor product. O b. The angular product. Oc. The scalar product. O d. The dot product. O e. The cross product.
The correct option is option e) cross product
The cross-product is a new way of "multiplying" two vectors. It results in a new vector that is perpendicular to both the original vectors and its magnitude is given by the area of the parallelogram formed by the two original vectors.
In three-dimensional space, cross-product is a binary operation on two vectors. It yields a vector perpendicular to both vectors. a b represents the vector product of two vectors, a and b. Its resulting vector is parallel to a and b. Cross goods are another name for vector products.
The cross-product has four basic applications:
calculating the angle () between two vectorsdetermining a vector normal to a planecalculating the moment of a force about a pointcalculating the moment of a force about a line.Read more about Cross-Product from:
https://brainly.com/question/14708608
#SPJ4
A 5 m long cylindrical tunnel of diameter 1.5 m connects an underground chamber to a residential room. The chamber is polluted with a toxic gas at a concentration of 30mgm −3 . The concentration of toxic gas in the residential room is maintained at a safe concentration of 3mgm −3 . The diffusion coefficient is 0.065 m 2 minute −1 . Calculate the flux per unit area of the toxic gas towards the residential room.
The flux per unit area of the toxic gas towards the residential room is 0.351 mg/(m^2 * minute).
To calculate the flux per unit area of the toxic gas towards the residential room, we can use Fick's law of diffusion, which states that the flux (J) is proportional to the concentration gradient (ΔC) and the diffusion coefficient (D), and inversely proportional to the distance (Δx):
J = -D * (ΔC / Δx)
In this case, we want to calculate the flux per unit area, so we need to divide the flux by the area of the tunnel.
Length of the tunnel (Δx) = 5 m
Diameter of the tunnel = 1.5 m (radius = 0.75 m)
Concentration in the chamber (C1) = 30 mg/m^3
Concentration in the residential room (C2) = 3 mg/m^3
Diffusion coefficient (D) = 0.065 m^2/minute
First, let's calculate the concentration gradient:
ΔC = C2 - C1 = 3 mg/m^3 - 30 mg/m^3 = -27 mg/m^3
Next, let's calculate the area of the tunnel:
Area = π * (radius)^2 = π * (0.75 m)^2 = 1.767 m^2
Now, we can calculate the flux per unit area:
J = -D * (ΔC / Δx) = -0.065 m^2/minute * (-27 mg/m^3 / 5 m) = 0.351 mg/(m^2 * minute)
To know more about Fick's law of diffusion
https://brainly.com/question/30761349
#SPJ11
to complete your visual overview of the problem, you should compile two lists: one of known quantities and one listing the unknown variables that will allow you to answer the question in the problem. below are all of the relevant quantities in this problem: the initial and final velocities of the puck (vx)i and (vx)f , the magnitude jx of the impulse delivered by the stick, and the mass m of the puck. sort them accordingly.
Puck mass (m) and J (impulse), initial and ultimate velocities are the known and unknown quantities, respectively.
The integral of a force, F, over the time period over which it acts, t, is known as an impulse in classical mechanics and is denoted by the letters J or Imp. Since force is a vector quantity, impulse also belongs to this category. An object experiences an impulse, which results in an equivalent vector change in its linear momentum along with the subsequent direction. The kilogram meter per second (kg m/s) and newton second (N s), are dimensionally equal units of momentum and impulse, respectively. In the British Gravitational System, the unit is the slug-foot per second (slugft/s), but the equivalent English engineering measure is the pound-second (lbfs). As long as it is acting, a resulting force accelerates the body and alters its velocity.
Learn more about impulse here:
https://brainly.com/question/12078800
#SPJ4
What do you look forward to more than anything else once school gets out for the summer.
PLEASE HELP!
Explanation:
10 Reasons to Look Forward to GoingBack to School..
The people. ... The places. ... The events. ... Extracurricular activities. ... The dining plan options. ... The housing options. ... The freedom. ... The first day of classes.the work of warren washington would be most likely to explain which of the following phenomena
Answer:
t
Explanation:
A gradual shift of the North Magnetic Pole's position on Earth a steady rise in the planet's average temperature, a reduction in the Moon's light reflection.
What is the work of warren Washington?Dr. Washington and his team were able to recreate the impacts of physics on several components of weather, such as “how heat energy, water vapor, and chemicals travel between Earth's seas and the atmosphere,”
Through the use of climate models. 3 After that, computers projected atmospheric changes using the information from the climate models.
The 2007 Intergovernmental Panel on Climate Change (IPCC) report, which found that human behavior has a direct impact on the environment, used these models to support its findings.
As a result, Dr. Washington and his team were awarded the 2007 Nobel Peace Prize3.
Therefore, a slow change in the location of Earth’s North Magnetic Pole A gradual increase in Earth’s average temperature A decrease in the light reflection of the Moon
Learn more about warren Washington here:
https://brainly.com/question/16562512
#SPJ2
Kathleen is testing a mixture containing a certain substance. She takes a sample from the top and the bottom. The sample from the bottom has more of the substance than the sample from the top. What is the mixture
The sample from the bottom has more of the substance than the sample from the top, is because of the heterogeneous mixture.
The mixture is a combination of two or more substances dispersed in one another and it retains its original property. The mixture is of two types and they are a homogenous and heterogeneous mixture.
A heterogeneous mixture is a mixture of two or more substances that are dissimilar structures and they are unevenly distributed in the mixture. It is a mixture with non-uniform composition and the molecules can be separated into their constituents by filtering or magnetic separation etc.
Hence, from the observation, Kathleen observed uneven distribution of the mixture. Thus, the sample is a heterogeneous mixture.
To learn more about the mixture and its types:
https://brainly.com/question/4703696
#SPJ1
What confirms that the process of seafloor spreading is occurring?
how did harry potter break the inertia law in harry potter sorcerer's stone
Answer:
He never broke the inertia law but Harry potter did break a ton of school rules some could've gotten him expelled too.
Explanation:
Answer:
he never broke law of inertia in this one but he did in a few of the others
Explanation:
Hope this helps
a solid object floats in water with three-fourths of its volume beneath the surface. what is the object's density? the density of water is 1000 kg/m3.
If the density of the object is less than 1000 kg/m³, then it will float in water. If it is greater than 1000 kg/m³, then it will sink in water.
What is density?Density is a measure of the mass of an object per unit of volume. It is a physical property that can be used to compare different materials. Density is typically measured in kilograms per cubic meter (kg/m³). Density can also be expressed in grams per cubic centimeter (g/cm³) or pounds per cubic foot (lb/ft³).
The density of the object can be calculated by dividing the total mass of the object by its volume. Since the object is floating in water, three-fourths of its volume is submerged below the surface. This means that the total volume of the object is equal to four-fourths of its volume above the water plus three-fourths of its volume below the water, which is the same as saying it is equal to one unit of volume.
The density of the object can then be calculated by dividing the total mass of the object by one unit of volume. This will give the density of the object in kg/m³, which can then be compared to the density of water, which is 1000 kg/m³. If the density of the object is less than 1000 kg/m³, then it will float in water. If it is greater than 1000 kg/m³, then it will sink in water.
To learn more about density
https://brainly.com/question/28734050
#SPJ4
Explain the difference between mass and weight. Also, what happens to your mass and your weight if you were to travel to the moon? Why?
PLEASE HURRY!!
Please help me on this 1 assignment im giving 25 points GOOD LUCK!
Answer:
Explanation:
im sorry if this doesn't help but i think its A
Eric has a degree in business management is willing to move to another area for the right job. What is one benefit for Eric to gain by posting his resume to a career networking site?
Answer:
One benefit I listed: a higher salary
Explanation:
He expands his career possibilities which can lead to a higher salary, better or more preferable hours, more vacation time, and numerous other potential outcomes.
Hurry up.
When a tight fitting lid is run under hot water, the lid _________ as the temperature increases. Question 3 options: Expands Melts Breaks Contracts
Answer:
expands
Explanation:
What is the SI unit for measuring Force?
A. Pounds
B. Grams
C. Newtons
D. Kilograms
Answer:
Newton.........
.....
consider an airplane flying at some real altitude. the outside pressure and temperature are 2.65 * 10 ^ 4 * n / (m ^ 2) and 220 k, respectively. what are the pressure and density altitudes?
To solve this problem, we'll need to use the pressure and density altitude formulas. The pressure altitude formula is:
$$\text{Pressure altitude} = \frac{29.92 - \text{Current pressure}}{29.92} \times \text{True altitude}$$
And the density altitude formula is:
$$\text{Density altitude} = \text{Pressure altitude} + \frac{120 (OAT - ISA)}{1000}$$
Where OAT is outside air temperature in degrees Celsius and ISA is the International Standard Atmosphere temperature for the pressure altitude.To use the above formulas, we need to first find the current pressure in inches of mercury (inHg), as that is the unit used in the standard atmosphere model. We do that by converting the given pressure from pascals (Pa) to inches of mercury:$$\frac{2.65 \times 10^4 \ \text{Pa}}{101325 \ \text{Pa/inHg}} = 0.2618 \ \text{inHg}$$Next, we can use the pressure altitude formula to find the pressure altitude:$$\text{Pressure altitude} = \frac{29.92 - 0.2618}{29.92} \times \text{True altitude}$$$$\text{Pressure altitude} \approx 0.9885 \times \text{True altitude}$$Finally, we can use the density altitude formula to find the density altitude:$$\text{Density altitude} = \text{Pressure altitude} + \frac{120 (OAT - ISA)}{1000}$$Substituting the given values:$$\text{Density altitude} = 0.9885 \times \text{True altitude} + \frac{120 (220 - 15)}{1000}$$$$\text{Density altitude} \approx 0.9885 \times \text{True altitude} + 20.1 \ \text{feet}$$So the pressure altitude is approximately 0.9885 times the true altitude, and the density altitude is approximately 0.9885 times the true altitude plus 20.1 feet.
To know more about density visit:
https://brainly.com/question/1354972
#SPJ11
The calculated values are: PA = -764602.5 m and DA = 3560 m.
Pressure altitude (PA) is the vertical distance from a specified pressure level to the actual altitude of an airplane, where the atmospheric pressure is equal to that specific pressure level. Density altitude (DA) is the correction made to the pressure altitude for nonstandard temperature, based on the International Standard Atmosphere (ISA).
The formulas to calculate PA and DA are as follows:
PA = (1013.25 – P) × 30 + H
Where P is the outside pressure in hPa and H is the altitude in feet above the standard datum plane (SDP), which is 1013.25 hPa at Mean Sea Level (MSL).
SDP = 1013.25 hPa
DA = [P0 / P]^(1/5) × [(Tactual + 273.15) / 288.15]^5 - 1
Where Tactual is the actual temperature in Celsius, P0 is the standard pressure (1013.25 hPa), and P is the outside pressure in hPa.
In the given scenario, we have the following data:
Outside pressure, P = 2.65 × 10^4 N/m^2 = 26500 N/m^2
Temperature, T = 220 K
To calculate PA:
PA = (1013.25 – P) × 30 + H
Assuming the altitude H to be zero:
PA = (1013.25 – 26500) × 30 + 0
= (-25486.75) × 30
= -764602.5 m
To calculate DA:
DA = [P0 / P]^(1/5) × [(Tactual + 273.15) / 288.15]^5 - 1
Using the given values:
DA = [1013.25 / 26500]^(1/5) × [(220 + 273.15) / 288.15]^5 - 1
= 5.14 × 0.7102^5 - 1
= 0.0216 × 1.6557 - 1
= 0.0356 or 3560 m
Therefore, the calculated values are: PA = -764602.5 m and DA = 3560 m.
Learn more about Pressure altitude
https://brainly.com/question/30629854
#SPJ11
What is the resistance of a circuit contains two 50. 0 resistors connected in series with a 12. 0 v battery
The resistance of a circuit that contains two 50.0 Ω resistors connected in series with a 12.0 V battery is 100 Ω. The resistance of the circuit is equal to the sum of the individual resistors when they are connected in series.
In this case, two 50.0 Ω resistors are connected in series, resulting in a total resistance of 100 Ω. Resistance can be defined as the obstruction that electricity faces when it travels through a conductor. The greater the resistance, the less current is allowed to flow through the circuit. The following equation is used to calculate resistance: R = V / IWhere R is resistance, V is voltage, and I is current.
Resistance can also be calculated using Ohm's Law if we know the values of voltage and current. When resistors are connected in series, the total resistance of the circuit is equal to the sum of the individual resistors. This is expressed by the following equation:RT = R1 + R2 + ... + RNWhere RT is the total resistance of the circuit, and R1, R2, and RN are the individual resistors. In this case, the circuit contains two 50.0 Ω resistors connected in series.
To know more about circuit visit:
https://brainly.com/question/12608516
#SPJ11
Convert 66.2 mi/h to m/s. 1 mi = 1609 m.
Answer in units of m/s.
Answer:
Explanation:
66.2mi/h to m/s
\(\frac{1609m}{1mi}\)×\(\frac{66.2mi}{1h}\)×\(\frac{1h}{60min}\)×\(\frac{1min}{60s}\)
mi will go with mih with h min with minm/s is left\(\frac{1609*66.2}{60*60}\)= 29.58772222
Pls make sure of the way of solving to be sure...
WILL GIVE BRAINLIEST
Explain the stages of complete and incomplete metamorphosis, provide examples for each. (Counts 20% of your lesson grade.)
Metamorphosis refers to the process of development and change in the body form of certain animals as they grow from juveniles to adults.
Explain the types of metamorphosis?
Metamorphosis is classified into two types: complete and incomplete.
1. Complete metamorphosis:
Complete metamorphosis is a developmental process in which the juvenile form of an animal goes through four distinct stages: egg, larva, pupa, and adult. In this type of metamorphosis, the juvenile form looks completely different from the adult form in terms of appearance, behavior, and habitat.
Animals that undergo complete metamorphosis include:
a) Butterflies and moths: The egg hatches into a caterpillar (larva) that feeds and grows rapidly. The larva then forms a pupa or chrysalis, where the body undergoes a complete transformation into an adult butterfly or moth.
b) Flies: The egg hatches into a worm-like maggot (larva) that feeds and grows. The maggot then transforms into a pupa, and finally, an adult fly emerges.
c) Beetles: The egg hatches into a grub (larva) that feeds and grows. The grub then transforms into a pupa, and finally, an adult beetle emerges.
Incomplete metamorphosis:
Incomplete metamorphosis is a developmental process in which the juvenile form (nymph) of an animal resembles the adult in appearance and habitat, but is smaller and lacks wings. The nymph goes through several stages of growth and molting before reaching adult form.
Animals that undergo incomplete metamorphosis include:
a) Grasshoppers: The egg hatches into a nymph that resembles the adult grasshopper but lacks wings. The nymph goes through several molts and growth stages before developing wings and reaching the adult stage.
b) Cockroaches: The egg hatches into a nymph that resembles the adult cockroach but lacks wings. The nymph goes through several molts and growth stages before developing wings and reaching the adult stage.
c) Dragonflies: The egg hatches into a nymph that lives in water and resembles the adult dragonfly but lacks wings. The nymph goes through several molts and growth stages before developing wings and emerging from the water as an adult dragonfly.
To learn more about Metamorphosis, visit: https://brainly.com/question/29752104
#SPJ1