An acceleration of 5m/s² means that the velocity of the body changes by 5 meters per second every second.
When a body has an acceleration of 5m/s², it means that the velocity of the body changes by 5 meters per second every second. Acceleration is the rate at which an object changes its velocity over time. In this case, if a body has an acceleration of 5m/s², it means that its velocity is changing by 5 meters per second every second.
This could mean that the body is either increasing or decreasing its speed or changing its direction, depending on the direction of the acceleration vector. The magnitude of the acceleration gives us an idea of how quickly the velocity is changing, while the direction tells us in which direction the velocity is changing.
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--The complete question is, Explain in your own words what it means for a body to have an acceleration of 5m/s²--
Figure 3 shows a stationary metal block hanging from the middle of a stretched wire which is suspended from a horizontal beam. The tension in each half of the wire is 15 N. (a) Calculate for the wire at A, (i) the resultant horizontal component of the tension forces, (ii) the resultant vertical component of the tension forces. Can someone explain why the first one is 0?
Explanation:
(i) The horizontal component of the tension in the right wire points right, and the horizontal component of the tension in the left wire points left. Since these components are equal and opposite, the resultant horizontal force is 0.
∑Fₓ = 15 N cos 20° − 15 N cos 20°
∑Fₓ = 0 N
(ii) ∑Fᵧ = 15 N sin 20° + 15 N sin 20°
∑Fᵧ = 10.26 N
i) The resultant horizontal component of the tension forces is 0N
ii) The resultant vertical component of the tension forces is 10.26N
iii) The sum of force along the horizontal is zero because the force has the same magnitude and moving in the opposite direction.
i) From the given figure, the horizontal component of the force is given as;
\(F_x = + 15 cos 20^0 + (-15cos20^0)\\F_x = + 15 cos 20^0 -15cos20^0\\F_x =0\)
The sum of force along the horizontal is zero because the force has the same magnitude and moving in the opposite direction.
ii) The vertical component of the force is expressed as
\(F_y = + 15 sin 20^0 + 15sin20^0)\\F_y = 2(15sin20^0)\\F_y=2(5.13)\\F_y=10.26N\)
Hence the resultant vertical component of the tension forces is 10.26N
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4. How many board feet are there in thirty 2" x 10" X 15' joists?
a. phenolic resin
b. False
c. 3
d. 750
Answer:750
Explanation:
An ocean scientist plans to spend several days underwater in a submarine. Doctors on land will monitor her body to make sure she is healthy during her trip. What is one way doctors will be able to tell whether her body is healthy enough to do all her tasks while she is in the submarine?
Answer:
The doctors could see if her cells are getting the molecules they need from food and air
Explanation:
The doctors could see if her cells are getting the molecules they need from food and air. Doing so allows the doctors a general overview of how well her body's biological systems are performing since the basic necessities of the human system are food and oxygen. Therefore if the body is receiving both food and oxygen properly and distributing it properly and efficiently as well without any problems then the most likely outcome is that she is healthy enough to perform her tasks in the submarine under more pressure.
Answer:
The doctors could see if her cells are getting the molecules they need from food and air
Explanation:
Can anyone help me with this? I really need the help
for each of them you need to type how they make you feel when you like need to make decision
Explanation:
A man rides up in an elevator at 12 m. He gains 6500 J of gravitational potential energy. what is the man's mass?
Answer:
We know that potential energy of a body;
= mass(m)× gravitational acceleration(g) × height(h)
Lets find out the mass of the body
P.E. = mgh
=> 6500J = mass × 9.8m/s^2 × 12m
=>6500J = mass × ( 9.8 × 12 ) × ( m/s^2 × m)
=> 6500 Nm = m × 117.6 × m^2 / s^2
=> 6500/117.6 Ns^2/m = mass [°.° Ns^2/m = kg]
=> 55.272 Kg = mass
Therefore the mass of the body = 55.272 kg ~ 60 kg (Ans)
Hope it helps you
El Sol radia energía electromagnética a un tasa de P = 3. 85×1026 W. A) ¿A qué distancia del Sol la intensidad disminuye hasta 1000 W/m2
Sabiendo la tasa de energía electromagnética que el sol radi, la distancia a la cual la intensidad disminuye a 1000 W/m² es de 6.96×10¹⁰ m metros o 69.6 millones de kilómetros.
La intensidad de la energía electromagnética emitida por el Sol disminuye a medida que se aleja del Sol. Esta disminución está dada por la ley del cuadrado inverso, que establece que la intensidad es inversamente proporcional al cuadrado de la distancia desde la fuente.
La intensidad de la energía electromagnética se puede calcular mediante la siguiente fórmula:
I = P / 4πr²
Donde I es la intensidad, P es la potencia del Sol, y r es la distancia desde el Sol.
Si queremos encontrar la distancia a la cual la intensidad disminuye a 1000 W/m², podemos despejar r de la fórmula y sustituir los valores conocidos:
1000 = 3.85×10²⁶ / 4πr²
r² = 3.85×10²⁶ / (1000 × 4π)
r = √(3.85×10²⁶ / (1000 × 4π))
r = 6.96×10¹⁰ m
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A chocolate wrapper is 6.7 cm long and 5.4 cm wide. Calculate its area up to
reasonable number of significant figures.
HELP PLEASE ILL MARK BRAINLIEST
Locating an Earthquake Interactivity
How can you find the epicenter of an area earthquake?
Record Data and Observations
Part 1
1. Record the information from each seismograph station as it is revealed within the
activity
Seismic
Station
P-Wave
Arrival time
S-Wave
Arrival Time
S-P interval
(in sec)
Distance to
Epicenter
(km)
+
2. According to the data table, which type of wave reached station A first, the P waves
or the S waves? Would you expect this fact to hold for data from other seismic
stations? Explain your answer.
C) Focus
28
Answer:
(You find the epicenter of an area earthquake by using triangulation)
But alright moving towards the graph, in the top row will be 'a' for the seismic station, for the P-wave arrival time (for the top row) it'll be 09:20:42 AM, for the s-wave arrival time (of the top row still) will be 09:21:09 AM, for the S-P interval (in sec) will be 27, and for the Distance to epicenter (km) will be 283 :)
now moving onto the second row, the seismic station is now 'b' , the p-wave arrival time is 09:21:27 AM, the s-wave arrival time will be 09:22:27 AM, the S-P interval (in seconds) is 60, the distance to epicenter is 632,
now moving onto the third row, the seismic station is 'c', the p-wave arrival time is 09:21:49 AM, the s-wave arrival time is 09:23:05 AM, the S-P interval is 76, and the distance to epicenter is 806
that's all for the graph :)
okay so now, for the second part to your question "according to the data table, which type of wave reached station A first, the P waves or the S waves? would you expect this fact to hold data from other seismic" okay so looking at what I've already said earlier about the tables it should be pretty easy to figure out but I'm sure you just want an answer so you can finish your schoolwork so i wont go on to long about it lol, the answer would be the p-waves got there first, and yes it can hold this for data on other seismic station, it also asked you to explain your answer so here's that: in 'b' station and 'c' station the p-wave always reached the stations before the s-wave.
Explanation:
I dont know if you do online school or go to virtual school house, but i do and my teacher there posted a video in the place where we turn in our work showing us the different tables, anyways i hope this helped :) !!
HELPPP RNNN PLSSSS
An airplane whose airspeed is 200 km/1 flies parallel to the direction of a wind with a speed of
90.0 km/h. What are the two possible speeds of the plane relative to the ground?
Answer:
110 km/h
Explanation:
"Headwind" means, that the velocity of the wind is opposite to the velocity of the airplane. Thus, in order to find the resultant speed, one should subtruct those velocities
you are riding on the edge of a spinning playground merry-go-round. if you pull yourself to the center of the merry-go-round, what will happen to its rotation?
If you pull yourself to the center of the merry-go-round, the rotation of the merry go round will decrease.
What is the centripetal acceleration of a merry go round?This is the radial acceleration experienced by a person moving in a circular path as the merry-go-round rotates about its mean position.
a = v²/r
where;
v is the linear speed of the merry go roundr is the radius of the merry go rounda is the centripetal acceleration of the merry go roundFrom the formula given above, as the radius of the merry go round increases, the centripetal acceleration of the merry go round decreases.
v = ωr
where;
v is the tangential speed or linear speed of the merry go roundr is the radius of the circular path from the edgeThus, when the radius of the circular path decreases, the speed of the merry go round will decrease as well.
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Convert 7.5 g/cm3 to kg/m3
Answer:
7500
Explanation:
multiply the mass / volume value by 1000
infrared radiation has frequencies from 3.0×1011 to 3.0×1014 hz, whereas the frequency region for radio wave radiation is 3.0×105 to 3.0×107 hz.
This statement is incorrect. The frequency range mentioned for infrared radiation and radio wave radiation is not accurate. Infrared radiation generally has frequencies ranging from 3.0×10^11 Hz (300 GHz) to 3.0×10^14 Hz (300 THz).
Infrared radiation is associated with thermal energy and is commonly used in applications such as heat sensing, communication, and remote control systems. Radio waves, on the other hand, have frequencies ranging from 3.0×10^5 Hz (300 kHz) to 3.0×10^7 Hz (30 MHz) for traditional radio broadcasting. However, radio waves can extend to much higher frequencies in other applications, such as Wi-Fi and satellite communication. It's important to note that the frequency ranges of different types of electromagnetic radiation can overlap, and they can be used for various purposes depending on the specific application.
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Does the polarity of the rocks in the Aragorn Sea suggest that it is currently expanding? Explain. Thanks This is the last question
The answer is no. Hope this helps
Can anyone please explain this point with an example. I have presentation tomorrow.
Energy efficiency can either be achieved by either reducing the quantity of energy consumption to produce certain amount of products or producing increased number of products from the same quantity of energy.
Explanation:
Efficiency is a way of describing the amount of useful output a process or machine can generate as a percentage of the input required to make it go. In other words, it compares how much energy is used to do work versus how much is lost or wasted to the environment. The more efficient the machine, the less energy wasted.
For example, if a heat engine is able to turn 75 percent of the fuel it receives into motion, while 25 percent is lost as heat in the process, it would be 75 percent efficient. Out of the original 100 percent of the fuel, 75 percent was output as useful work.
the equation:
energy efficiency =useful output energy/total input energy
Charlie is investigating friction. She will use the same amount of force to push two wooden balls across two level surfaces. Then she will record her results in the table below.
A 5-column table with 4 rows. The first column labeled Trial has entries 1, 2, 3, 4. The second column labeled Ball has entries X, X, Y, Y. The third column labeled Weight has entries 1 pound, 1 pound, 2 pounds, 2 pounds. The fourth column labeled surface has entries polished tile, pavement, polished tile, pavement. The fifth column labeled Distance Ball Moved has entries empty, empty, empty, empty.
Which prediction will most likely describe how friction will affect her findings?
The distance for Trial 3 will be greater than the distance for Trial 1 partly because the weight difference of the balls will affect friction.
The distance for Trial 2 will be greater than the distance for Trial 1 because the difference in surface roughness will affect friction.
The distance for Trial 4 will be greater than the distance for Trial 2 partly because the weight difference of the balls will affect friction.
The distance for Trial 3 will be greater than the distance for Trial 4 because the difference in surface roughness will affect friction.
Answer:
the answer is D
Explanation:
got it right on time for learning
Answer:
D is correct
Explanation:
Some students were measuring the volume of a cube shaped wooden block. They
measured the length to be 5.08 cm, the width to be 5.09 cm, and the height to be
5.10 cm. The actual volume of the block was 15.3 cm3
. What was their percent
error?
Answer:
See below
Explanation:
CALCULATED volume from their measurements:
5.08 X 5.09 X 5.10 = 131. 9 cm^3
( I think you my have the "The actual volume of the block was 15.3 cm3" incorrectly posted)
(131.9 - 15.3) / 15.3 x 100 % = 762 % error !!!!!
Which part of the scapula articulates with the clavicle?.
The part of the scapula that articulates with the clavicle is called the acromion process. The acromion process is a bony projection located at the lateral end of the scapula, and it forms a joint called the acromioclavicular joint (AC joint) with the medial end of the clavicle. This joint allows for movement and stability between the scapula and the clavicle, contributing to the overall mobility of the shoulder.
In addition to the acromion process, there is another part of the scapula that articulates with the clavicle. It is called the lateral end of the clavicle. The lateral end of the clavicle forms a joint called the sternoclavicular joint with the medial end of the clavicle. This joint connects the clavicle to the sternum and allows for movement and stability of the shoulder girdle.
To summarize, the scapula articulates with the clavicle at two different joints: the acromioclavicular joint (AC joint) formed by the acromion process of the scapula and the medial end of the clavicle, and the sternoclavicular joint formed by the lateral end of the clavicle and the sternum. These joints play a crucial role in shoulder movement and stability.
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A 500g glass statue is accidentally knocked from a shelf 1.5m high. If 3% of the gravitational potential energy is converted into heat, how much does the statue’s temperature rise
Answer:
0.0001158443168226212 Celcius (significant digits? who cares.....) or about 0.00021 Fahrenheit
Explanation:
500g=0.5kg
PE=mgh
PE=(0.5)*(9.81)*(1.5)
PE=7.36J
3% of 7.36 is 0.22J is converted to heat
From there, it's tricky.
I just used a joules to celcius converter to get 0.0001158443168226212 degrees celcius or 0.00021 degrees fahrenheit rise in temp.
9.00 V is applied to a wire with aresistance of 52.0 2. At what distancefrom the wire is the imagnetic field2.22 x 10-8 T?
Answer:
1.56 m
Explanation:
First, we need to find the current in the wire, so we will use the following equation:
\(V=IR\)Where V is the voltage, R is the resistance and I is the current. Replacing the values and solving for I, we get:
\(\begin{gathered} 9V=I(52\Omega) \\ \frac{9V}{52\Omega}=I \\ 0.17A=I \end{gathered}\)So, the current is 0.17 A.
Now, the magnetic field generated by a wire with current I at a distance r is equal to:
\(B=\frac{\mu I}{2\pi r}\)Where μ is 4π x 10^(-7). So, replacing the values and solving for r, we get:
\(\begin{gathered} (2.22\times10^{-8})=\frac{(4\pi\times10^{-7})(0.17)}{2\pi r} \\ (2.22\times10^{-8})r=\frac{(4\pi\times10^{-7})(0.17)}{2\pi r}\cdot r \\ (2.22\times10^{-8})r=\frac{4\pi\times10^{-7}(0.17)}{2\pi} \\ (2.22\times10^{-8})r=3.4\times10^{-8} \\ \frac{(2.22\times10^{-8})r}{2.22\times10^{-8}}=\frac{3.4\times10^{-8}}{2.22\times10^{-8}} \\ r=1.56\text{ m} \end{gathered}\)Therefore, the distance is 1.56 m
a school bus has stopped to allow children to get off the bus which graph shows the motion of the bus?
Answer: what is it in
Explanation:
A 2-column table with 5 rows. The first column has entries empty, time of trial number 1 (seconds), time of trial number 2 (seconds), time of trial number 3 (seconds), average time (seconds). The second column labeled one quarter checkpoint has entries 2. 15, 2. 05, 02. 02, 02. 7. Use the table to answer the questions. What is the fastest time trial for the first quarter checkpoint? seconds What is the slowest time trial for the first quarter checkpoint? seconds What is the range of times measured for this checkpoint? seconds.
The fastest time trial for the first quarter checkpoint is 2.02 s.
The slowest time trial for the first quarter checkpoint is 2.7 s.
The range of the times measured for the checkpoint is 0.68 s.
The given parameters;
Time for quarter checkpoint, = 2.15, 2.05, 2.02, 2.7The fastest time trial for the first quarter checkpoint is the least measured time value.
fastest time trial = least time measured
fastest time trial = 2.02 s
The slowest time trial for the first quarter checkpoint is the highest measured time value.
slowest time trial = 2.7 s
The range of the times measured for the checkpoint is difference between the fastest time and slowest time.
Range = fastest time - slowest time
Range = 2.7 - 2.02
Range = 0.68 s
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Answer:
2.02, 2.15, 0.13
Explanation:
A 2-column table with 5 rows. The first column has entries empty, time of trial number 1 (seconds), time of trial number 2 (seconds), time of trial number 3 (seconds), average time (seconds). The second column labeled one quarter checkpoint has entries 2.15, 2.05, 2.02, 2.07.
Use the table to answer the questions.
What is the fastest time trial for the first quarter checkpoint?
2.02
seconds
What is the slowest time trial for the first quarter checkpoint?
2.15 seconds
What is the range of times measured for this checkpoint?
0.13 seconds
An electric iron is connected to the mains power supply of 220 V. When the electric iron is
adjusted at 'minimum heating' it consumes a power of 360 W but at 'maximum heating' it takes a
power of 840 W. Calculate the current and resistance in each case.
Answer:
Given: V = 220V, Pmin = 360W, Pmax = 840W
For minimum heating case:
We know that
Pmin = VI
360 = 220 X I
I = 1.63 amp
R = V/I
R = 220/1.63
R = 134.96ohms
For maximum heating case:
We know that
Pmax = VI
840 = 220 X I
I = 3.81 amp
R = V/I
R = 220/3.81
R = 57.74 ohms
is water wet? or does it make things wet?
Water is not wet itself or it does not make things wet. The water makes bond with the other materials through adhesive forces.
What is Wetness?Wetness is a description of the experience of water, it is a quality of the liquid water. Liquid water is not itself wet, however it cannot even make things actually wet. Wetness is the ability of a liquid to adhere to the surface of a solid material, so when we say that something is wet, we mean that the liquid material is sticking to the surface of a material.
An adhesion is present between two things and something that the water molecules cannot do to itself. Water has to be wetted by something else or it makes no sense at all. Water can be wetted easily by oil or another foreign liquid, however it cannot wet itself.
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NH3 → N2 + H2 Balance and classify it
Answer:
2NH3 --> N2 + 3H2 decomposition
what steps should be taken to increase the amount of current produce a generator
Answer:
The maximum potential difference or current can be increased by:
1. increasing the rate of rotation.
2. increasing the strength of the magnetic field.
3. increasing the number of turns on the coil.
Answer:
It depends. Remember that power is voltage x current. So, do you have enough voltage? You can buy modules that increase and decrease voltage. That is one possibility. Please check all safety guidelines of the generator before doing this. modifying the voltage to a generator without making sure it can take more voltage can be counterproductive
what is the angle in radians between the vectors
The angle in radians between two vectors can be found using the dot product formula:
\(θ = cos^-1 ((a • b) / (||a|| ||b||))\)
Where:
- θ is the angle between the vectors in radians
- a and b are the two vectors
- a • b is the dot product of the vectors
- ||a|| and ||b|| are the magnitudes of the vectors
To find the angle between the vectors, first calculate the dot product of the vectors by multiplying the corresponding components of the vectors and adding the results. Then, find the magnitudes of the vectors by taking the square root of the sum of the squares of the components. Finally, plug the dot product and magnitudes into the formula and use the inverse cosine function to find the angle in radians.
For example, if the vectors are a = (1, 2, 3) and b = (4, 5, 6), the angle between them would be:
\(θ = cos^-1 (((1)(4) + (2)(5) + (3)(6)) / (sqrt((1)^2 + (2)^2 + (3)^2) * sqrt((4)^2 + (5)^2 + (6)^2)))\)
\(θ = cos^-1 ((4 + 10 + 18) / (sqrt(14) * sqrt(77)))θ = cos^-1 (32 / (sqrt(14) * sqrt(77)))θ = 0.225 radians\)
So the angle between the vectors is 0.225 radians.
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What is the force and torque on a square-shaped 6A current carrying loop of
conducting wire that has an area of 0.0025m2 and surrounded by a permanent magnet
with a field strength of B = 2 × 10−2T that is tilted at 370
to the loop?
The force on the current-carrying loop is 0 N, and the torque experienced by the loop is 0.009 Nm.
To find the force and torque on the square-shaped 6A current-carrying loop, we first need to understand that the force on a current loop in a magnetic field is given by F = qvB, where q is the charge, v is the velocity, and B is the magnetic field strength. In this case, the force will be 0 N, because the magnetic field is parallel to the loop and the angle between them is 0°.
To calculate the torque τ, we use the formula τ = μBsinθ, where μ is the magnetic moment, B is the magnetic field strength, and θ is the angle between them. The magnetic moment μ is calculated as μ = IA, where I is the current and A is the area of the loop. Plugging in the values, we have μ = 6A × 0.0025m^2 = 0.015 Am^2. Since the magnetic field is tilted at 37°, we have θ = 37°.
Now, τ = (0.015 Am^2)(2 × 10^-2 T)sin(37°) ≈ 0.009 Nm. Thus, the torque experienced by the loop is 0.009 Nm.
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100 point!! Question song!
You gotta keep 'em separated
Like the latest fashion
Like a spreading disease
The kids are strappin' on their way to the classroom
Getting weapons with the greatest of ease
The gangs stake their own campus locale
And if they catch you slippin' then it's all over pal
If one guys colors and the others don't mix
They're gonna bash it up
Hey - man you talkin' back to me?
Take him out
You gotta keep 'em separated
Hey - man you disrespecting me?
Take him out
You gotta keep 'em separated
Hey they don't pay no mind
If you're under 18 you won't be doing any time
Hey, come out and play
By the time you hear the siren
It's already too late
One goes to the morgue and the other to jail
One guy's wasted and the other's a waste
It goes down the same as the thousand before
No one's getting smarter
No one's learning the score
Your never ending spree of death and violence and hate
Is gonna tie your own rope
Hey - man you disrespecting to me?
Take him out
You gotta keep 'em separated
Hey - man you talking back to me?
Take him out
You gotta keep 'em separated
Hey they don't pay no mind
If you're under 18 you won't be doing any time
Hey, come out and play
It goes down the same as the thousand before
No one's getting smarter
No one's learning the score
Your never ending spree of death and violence and hate
Is gonna tie your own rope
Hey - man you talkin' back to me?
Take him out
You gotta keep 'em separated
Hey - man you disrespecting me?
Take him out
You gotta keep 'em separated
Hey they don't pay no mind
If you're under 18 you won't be doing any time
Hey, come out and play
Answer:
It is a song called Come out and Play. It is released on 1994 in a Album called Smash. It comes under Punk-Rock.
I hope i answered your Question.
Answer:
Explanation:
Adding to the other answer, this song is about violence in streets and schools among young people involved in gangs; how they have little hope for their future. Band member Dexter got idea to make the song while he was in college.
The potential difference across a conducior is 6.0V. What is the energy dissipaled when a current of 5.0 A flows for 1 minute?
Answer:
1/2 watt hr
Explanation:
watts = V I = 6 * 5 = 30 watts for 1/60 hr
30 watts * 1/60 hr = 1/2 watt hr
A 10.1 kg bowling ball and a 8.4 kg bowling ball rest on a rack 1.25 m apart. What is the gravitational force exerted between them?
Given data:
* The mass of the first bowling ball is 10.1 kg.
* The mass of the second bowling ball is 8.4 kg.
* The distance between the bowling balls is 1.25 m.
Solution:
The gravitational force between the bowling balls is,
\(F=\frac{Gm_1m_2}{r^2}\)where G is the graviatational constant, m_1 is the mass of first bowling ball, m_2 is the mass of second bowling ball, and r is the distance between the bowling balls,
\(\begin{gathered} F=\frac{6.67\times10^{-11}\times10.1\times8.4}{1.25^2} \\ F=362.16\times10^{-11}\text{ N} \end{gathered}\)Thus, the gravitational force acting between the bowling balls is,
\(362.16\times10^{-11}\text{ N}\)