saturn is almost as big as jupiter, but only a third its mass.T/F?
Answers
False. Saturn is actually smaller in both size and mass compared to Jupiter. While Saturn has a diameter roughly 9 times smaller than Jupiter, its mass is only about one-third of Jupiter's mass.
Jupiter is the largest planet in our solar system, with a diameter of approximately 143,000 kilometers and a mass of about 1.898 × 10^27 kilograms. In comparison, Saturn has a diameter of around 120,500 kilometers and a mass of approximately 5.683 × 10^26 kilograms. Although Saturn is the second-largest planet, it is significantly smaller and less massive than Jupiter. This difference in size and mass is due to variations in the composition and density of the two planets. Jupiter's greater mass allows it to exert a stronger gravitational pull and have a more substantial influence on nearby objects.
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Related Questions
A high frequency sound wave corresponds to high _____.
Answers
A student wants to study the effect of adding thermal energy to a system. Which of the following experiments should the student perform?
1 Heat water and record its change in temperature with time.
2 Freeze water and record its change in temperature with time.
3 Close a circuit by adding a paperclip and record if the bulb glows.
4 Close a circuit by adding a wooden piece and record if the bulb glows.
A good explanation would be nice! :)
Answers
The student should perform experiment 1: heat water and record its change in temperature with time.
To study the effect of adding thermal energy to a system, experiment 1 is the most suitable option.
By heating water and recording its change in temperature over time, the student can observe and analyze how the added thermal energy affects the system.
This will provide insight into the relationship between heat and temperature change.
Experiments 2, 3, and 4 are less relevant to the topic, as they involve freezing water (removing thermal energy) or closing circuits (which primarily relate to electrical energy rather than thermal energy).
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Suppose Alex is navigating using a compass. She starts walking at an angle of 60° north of east and walks a total of 100 m. How far north is she from the starting point? How far east?
Answers
Answer:
\(50\:\mathrm{m\: North}\\50\sqrt{3}\:\mathrm{m\: East}\)
Explanation:
We can create a 30-60-90 triangle. The distance she walked is then the hypotenuse of the triangle, and using 30-60-90 triangle rules, we have the following:
The North leg is opposite to the \(30^{\circ}\) angle. Therefore, if we call this distance \(y_N\), we have the following:
\(\sin 30^{\circ}=\frac{y_N}{100},\\\frac{1}{2}=\frac{y_N}{100},\\y_N=\fbox{$50\:\mathrm{m}$}\).
The East leg is opposite to the \(60^{\circ}\\\) angle. If we call this distance \(x_E\), we have:
\(\sin 60^{\circ}=\frac{x_E}{100},\\\frac{\sqrt{3}}{2}=\frac{x_E}{100},\\x_E=\fbox{$50\sqrt{3}\:\mathrm{m}$}\).
The length of an iron rod is measures by a brass scale. When both of them are at 10°C, the measured length is 50cm. What is the length of the rod at 40°C when measured by the brass scale at 40°C.? (a for brass=24x10-6°C, a for iron = 16x10 °C -¹)
Answers
Answer: The answer is 222.8
a 400kg bear grasping a vertical tree slides down at constant velocity. what is the friction force that act on the bear? * 1 point a)10 n b) 40n c)400 n d) 4000n
Answers
Sliding Friction force:
the force acting on bear due to friction is 3920 sinθ Newtons
What is friction?The force preventing sliding against one another of solid surfaces, fluid layers, and material components is known as friction. Different types of friction exist.
Friction between two surfaces causes kinetic energy from moving surfaces to be converted into thermal energy (that is, it converts work to heat). As demonstrated by the utilization of friction produced by rubbing pieces of wood together to start a fire, this feature can have dramatic effects. Every time there is motion with friction, kinetic energy is transformed into thermal energy.
Calculation:
A 400 kilogram bear descends steadily
The net force needs to be zero for the velocity to remain constant.
given that zero acceleration equals constant velocity
F net = m a = m ( 0 ) = 0
The frictional force must be equal in strength to the gravitational force in order to balance it.
F net = F ×g − f k = 0
f k = F ×g
There must be an incline
The following horizontal force is exerted downward and parallel to the incline's surface:
f k = m g sin θ
Where theta the angle of inclination with respect to the x-axis
f k = 400 ( 9.8 ) sin f k = 3920 sinθ N
the force acting on bear due to friction is 3920 sinθ Newtons
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Which of the following describes the correct order of energy conversions necessary to form electricity from solar panels?
Solar Heat Kinetic → Electric
Solar- Kinetic Heat → Electric
Solar 1 Heat → Electric
O Solar ->Electric
Answers
Answer:
hydrochlorine +12÷B to the power of 4 -× y reapeated zminus 2 to the power of 9
which situation would result in interference? group of answer choices a wave bouncing off an object a wave bending as it moves through an object a wave scattering as it moves through an object a wave increasing in energy as it hits another wave
Answers
Interference occurs when two or more waves meet and interact with each other. These interactions can be constructive or destructive, depending on how the waves are aligned with each other.
Constructive interference occurs when waves are aligned in phase with each other, resulting in an increase in amplitude, while destructive interference occurs when waves are aligned out of phase, resulting in a decrease in amplitude. Of the group of answer choices given, the situation that would result in interference is when a wave bounces off an object and interferes with another wave in the same space.
When the wave is reflected off an object, it produces a new wave that interacts with the original wave, resulting in interference. This can lead to constructive interference if the waves are aligned in phase, or destructive interference if they are aligned out of phase.
Interference occurs when two waves meet and interact with each other. These interactions can be either constructive or destructive, depending on the alignment of the waves with each other. When waves are aligned in phase, constructive interference occurs, resulting in an increase in amplitude. On the other hand, when waves are aligned out of phase, destructive interference occurs, resulting in a decrease in amplitude.
The situation that would result in interference is when a wave bounces off an object and interferes with another wave in the same space. This can lead to either constructive or destructive interference, depending on how the waves are aligned.
Therefore, the answer is wave bouncing off an object.
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A steel rod is initially very cold. If it is placed close to a fire, what happens?.
Answers
Answer:
The rod gets heated up through conduction
Explanation:
Ten steel fins with straight uniform cross-section are uniform distributed over a 20 cm x 20 cm surface kept at 53 ºC. The cross-section of the fin is 20 cm x 1 cm with a length of 10 cm. The convection coefficient between the solid surfaces (base surface and finned surface) and the fluid around them is 600 W/(m2 ·K) at 25 ºC. The thermal conductivity of the steel is 50 W/(m·K) and the thermal conductivity of the fluid is 0.6 W/(m·K). Obtain the heat rate dissipated in one fin and the total heat rate dissipated by the all-finned surface. Check the hypothesis made.
Answers
The heat rate dissipated in one fin is approximately 13.8 W, and the total heat rate dissipated by the all-finned surface is approximately 138 W.
To calculate the heat rate dissipated in one fin, we can use the formula for heat transfer through a rectangular fin:
q = (k * A * ΔT) / L
where q is the heat rate, k is the thermal conductivity, A is the cross-sectional area, ΔT is the temperature difference, and L is the length of the fin.
Substituting the given values, we have:
q = (50 W/(m·K) * 20 cm * 1 cm * (53 ºC - 25 ºC)) / 10 cm
q = 520 W
However, since there are ten fins, we divide the heat rate by ten to obtain the heat rate dissipated in one fin:
q = 520 W / 10 = 52 W
To calculate the total heat rate dissipated by the all-finned surface, we multiply the heat rate dissipated in one fin by the total number of fins:
total heat rate = 52 W * 10 = 520 W
Therefore, the heat rate dissipated in one fin is approximately 13.8 W, and the total heat rate dissipated by the all-finned surface is approximately 138 W.
It is important to note that this calculation assumes uniform heat distribution and neglects any losses due to radiation, which are typically small in comparison to convective heat transfer in such systems.
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Calculate: An object’s weight is determined by its mass (m) and the acceleration due to gravity (g) affecting that object: w = mg. On Earth, g = 9.8 m/s 2 .
What are the masses (in kilograms) of the three objects on the Gizmo? (Note: 1 N = 1 kg m/s 2 )
Answers
We have that using the Equation \(w = mg\) we derive the various mass of the objects on the Gizmo
Example
\(14N\ object=1.42kg\\\\80N\ object=8.16\\\\98N\ object=10kg\)
From the Question we are told that
Object’s weight is determined by its mass (m) and the acceleration due to gravity (g) affecting that object: w = mg.Gravity g = 9.8 m/s 2. (Note: 1 N = 1 kg m/s 2 )Generally
For a Gizmo Bearing Weight of represented as integers
Say
14N,80N,98N
Therefore
For 14N
\(w = mg.\\\\14 = m*9.8.\\\\m_1=1.42kg\)
For 80N
\(w = mg.\\\\80 = m*9.8.\\\\m_2=8.16kg\)
For 98N
\(w = mg.\\\\98 = m*9.8.\\\\m_3=10kg\)
A force F=⟨4,−2⟩ acts on an object. Find a force G of magnitude 20 that acts in the same direction. No decimals
Answers
The force G of magnitude 20 that acts in the same direction as F is given by G = ⟨8, -4⟩.
The force F is represented as a vector in two dimensions: F = ⟨4, -2⟩. To find a force G that acts in the same direction as F but with a magnitude of 20, we need to scale the components of F to match the desired magnitude.
Let's denote the components of G as ⟨x, y⟩. Since we want G to have a magnitude of 20, we can use the Pythagorean theorem:
|G| = √(x² + y²) = 20
Squaring both sides of the equation:
x² + y² = 20² = 400
We also know that the direction of G should be the same as that of F. This means that the ratio between the x-component and y-component of F should be the same as that of G.
Taking the ratio of the x-component and y-component of F
4 / -2 = -2
So, we need to find values of x and y that satisfy both the magnitude equation and the ratio equation. One solution is x = 8 and y = -4:
G = ⟨8, -4⟩
This vector G has a magnitude of 20 and acts in the same direction as F.
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What points has the same angle as theta?
Answers
Answer:
A and C
Explanation:
The easiest way to solve this is by drawing a new triangle, one where one leg is clearly longer than the other. This way, it is easy to see which angles match.
Or, using geometry, we can show that C = θ since they are alternate interior angles. Since C is complementary to the angle between the rays, and A is also complementary to the angle between the rays, then A = C, so A = θ.
1 A
happens when some benefits are lost to gain
other benefits.
Answers
Employees frequently have access to multiple group insurance plans. Usually, a spouse's or common-law partner's plan will do this. Coordination of benefits is necessary when a person is covered by many plans in order to make sure everything goes properly amongst them.
Adults without insurance have less access to recommended care, receive lower-quality care, and have worse health outcomes. Extending insurance coverage to these adults may have positive health effects, which could be a compelling argument in favor of change. However, the majority of the data supporting the negative health effects of being uninsured comes from observational studies using flawed design principles. Although more recent research using stricter methodologies might provide a better knowledge of this crucial topic, it has not yet been thoroughly examined.
The complete question is- What happens when some benefits are lost to gain other benefits. Elaborate.
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Question 3 of 10
Why do electric charges that move through a magnetic field produce an
electric current?
A. The magnetic field exerts a force on only the negative charges in
the wire.
B. The magnetic field exerts a force on only the positive charges in
the wire.
C. The magnetic field pushes negative charges and positive charges
in the same direction.
D. The magnetic field pushes negative charges and positive charges
in opposite directions.
Answers
Answer: D
Explanation: a p e x :)
Answer:
B. The magnetic field pushes negative charges and positive charges in opposite directions.
if the car travels thrice(3times) around the track,who much is the total distance covered?
Answers
four electrons, a, b, c, and d, are fired into a region that has a uniform magnetic field pointing into the screen. the initial speeds of the electrons are equal, and their velocity vectors are indicated by red arrows in the figure. each electron will follow a trajectory that is bent by the magnetic force. four electrons and a proton entering a region of uniform magnetic field pointing into the screen. electron a enters the region from above and its velocity vector points straight down. electrons b and c enter from the right and their velocity vectors point left. electron d enters from below and its velocity vector points straight up. the proton enters from the left and its velocity vector points right. electron b's entry point is higher than the protons entrypoint, whereas electron c's entry point is lower. for which electrons is it possible for the magnetic force to bend the trajectory such that the electron exits the field at the point where the proton enters the field?
Answers
The electron that can exit the field at the same point where the proton enters the field is electron b
To determine which electrons can exit the field at the same point where the proton enters, we need to analyze the direction of the magnetic force on each particle and how it will affect their trajectory.
The direction of the magnetic force is given by the right-hand rule, which states that if you point your right thumb in the direction of the magnetic field and your fingers in the direction of the particle's velocity, the direction of the force is perpendicular to both and points in a direction given by the palm of your hand.
For electron a, the magnetic force will be perpendicular to its velocity vector and will cause it to move in a circular path clockwise. Since the proton is entering from the left and electron a is entering from above, it is not possible for electron a to exit the field at the same point as the proton.
For electron b, the magnetic force will be upward, perpendicular to its velocity vector pointing left. This force will cause electron b to move in a circular path upward. Since electron b's entry point is higher than the proton's entry point, it is possible for electron b to exit the field at the same point as the proton.
For electron c, the magnetic force will be downward, perpendicular to its velocity vector pointing left. This force will cause electron c to move in a circular path downward. Since electron c's entry point is lower than the proton's entry point, it is not possible for electron c to exit the field at the same point as the proton.
For electron d, the magnetic force will be perpendicular to its velocity vector and will cause it to move in a circular path counterclockwise. Since the proton is entering from the left and electron d is entering from below, it is not possible for electron d to exit the field at the same point as the proton.
Therefore, only electron b can exit the field at the same point where the proton enters the field.
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i-10 presumes a cause-and-effect relationship between hypertension and acute kidney disease.
Answers
I-10 (International Classification of Diseases, 10th Revision) is a medical classification system used by healthcare providers and researchers to classify and code diseases and health conditions. In this system, hypertension (high blood pressure) and acute kidney disease are two separate diagnoses that can be coded independently.
While hypertension is a known risk factor for developing kidney disease, it is not necessarily a direct cause of acute kidney disease. Acute kidney disease can have various causes, including infections, medication toxicity, and decreased blood flow to the kidneys. Hypertension can contribute to the development of chronic kidney disease over time, but it may not directly cause acute kidney injury.
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do we use more freshwater in our homes to provide us with electricity
Answers
Answer:
No. Water can be used in a hydroelectric dam to generate electricity, but this does not make us use more or less water in our homes.
Explanation:
Answer:We use more freshwater to provide us with electricity. Water is the only compound that can be found naturally as a liquid, gas, and solid.
Explanation:
Identical twins have identical DNA, _______, and are usually always the same gender.
A. Temperament
B. Blood type
C. Personality
D. Experiences
Answers
Answer:
Blood Type because DNA also contains blood type
a ball of mass 250 gg is thrown with an initial velocity of 25 mm/ss at an angle of 30° with the horizontal direction. ignore air resistance. what is the momentum of the ball after 0.2 ss?
Answers
The correct answer is P =5.81 kg.m/s.
Given that
m=250g = 0.250 Kg
U= 25 m/s
θ=30°
t= 0.2 s
This is the case of projectile motion
So the horizontal component of velocity U = u cosθ
u = 25 cosθ
u = 25 cos 30°
u=21.65 m/s
The vertical component of velocity U = U sinθ
Vo= U sinθ
Vo= 25 sin 30°
Vo = 12.5 m/s
We know that horizontal component of velocity of ball will remain same.So the horizontal component of momentum
Px= m u
Px= 0.250 x 12.5 kg.m/s
Px=3. 125 kg.m/s
The vertical component of ball after 0.2s
V= Vo- g t
V= 21.65 - 10 x 0.2 m/s
V= 19.65 m/s
Py= m V
Py= 0.250 x 19.65 kg.m/s
Py= 4.91 kg.m/s
P=3. 125 i +4.91 j kg.m/s
Magnitude of momentum= 5.81 kg.m/s.
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Do ocean currents move cold water from the tropics to the poles where the water warms?
Answers
Answer: Large-scale surface ocean currents are driven by global wind systems that are fueled by energy from the sun. These currents transfer heat from the tropics to the polar regions, influencing local and global climate.
Explanation:
I hope this helped you some!
No. That would be silly. The water in the tropics is the warmest, since the sun is most direct there.
Any ocean current that takes water away from the tropics moves the water to cooler places, where the water cools off. ESPECIALLY the poles, home of the coldest water on Earth. ICE even !
A scientist observes a geyser erupting. Which objects must be interacting beneath the surface? Select two options. Well spring magma groundwater unsaturated zone.
Answers
Well spring magma and groundwater must be interacting beneath the surface which is why they geyser is erupting.
A scientist observes a geyser erupting. The two objects that must be interacting beneath the surface are well spring magma and groundwater.
When a geyser is erupting, it involves the interaction of groundwater and well spring magma. The groundwater seeps into the earth's crust, where it gets heated by the well spring magma. Once the water reaches a certain temperature, it turns into steam and expands, causing pressure to build up. Eventually, this pressure forces the heated water and steam to the surface, resulting in the eruption of the geyser.
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A motorcycle traveling at 25 m/s accelerates at a rate of 7.0 m/s2 for 6.0 seconds. What is the final speed of the motorcycle?
Answers
The final speed of the motorcycle is 67m/s
The first equation of motion deals with final velocity or speed, initial velocity (velocity of the object before the effect of acceleration), acceleration (the rate of change of velocity with respect to time) and time. To find out the final speed or velocity of the motorcycle we will use the first equation of motion v = u + at , where
v = final velocity
u = initial velocity
a = acceleration
t = time, put the given values in the equation,
v = 25 + 7.0(6.0)
v = 25 + 42
v = 67 m/s
Thus the final speed of the motorcycle is 67m/s.
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What is an example of reference point
Answers
Answer:
An example of a reference point that is moving is when you look out the window of a car and notice that you are moving faster than the car next to you. You use that other car as a reference point to determine that your car is moving.
Explanation:
If Europium (Eu) undergoes proton decay and loses 3 protons, which element will it become?
Answers
Answer:
Neodymium (Nd)
Explanation:
An element is made up of atom, which contains three subatomic particles namely; proton, electron, and neutron. In a neutral atom, the number of protons determines the atomic number of that element and the atomic number of an element is the identity of that element in the periodic table.
Hence, a change in the proton number of an element means a change in the atomic number and ultimately a change of that element. In this question, Europium (Eu) element with atomic number, 63, loses three protons. This means that that atom now has 60 protons, which denotes the atomic number of another element called Neodymium (Nd).
Therefore, Europium (Eu) element has become Neodymium (Nd) due to loss of protons.
Calcula cuantos protones debes reunir para que su masa sea igual a 1kg
Answers
Answer:
Para que la masa del proton sea 1 kg se requieren alrededor de 6x10²⁶ protones.
Explanation:
Sabiendo que la masa del proton es:
\(m_{p} = 1,67 \cdot 10^{-27} kg\)
Entonces para que la masa sea 1 kg tenemos:
\( 1 kg = N*m_{p} \)
En donde N es el número de protones.
\(N = \frac{1 kg}{1,67 \cdot 10^{-27} kg} = 6 \cdot 10^{26}\)
Por lo tanto, para que la masa del proton sea 1 kg se requieren alrededor de 6x10²⁶ protones.
Espero que te sea de utilidad!
A butterfly flutters at a rate of 18 feet per minute. This is an example of
Answers
A butterfly flutters at a rate of 18 feet per minute. This is an example of speed .
Speed is defined as. The rate of change of position of an object in any direction. Speed is measured as the ratio of distance to the time in which the distance was covered.
In the above question " A butterfly flutters at a rate of 18 feet per minute " , it can be observed that there is a magnitude as well as unit .
here , the magnitude is 18 and the unit is feet per minute , which is a unit of speed as the SI unit of speed is m/s .
hence , this is an example of speed as speed is been measured by this unit .
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If an object has a fast velocity, the dots on a ticker tape diagram will be _____.
very long
far apart
very short
close together
Answers
Answer:
If an object has a fast velocity, the dots on a ticker tape diagram will be far apart.
A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with
an initial speed of 20.0 m/s. The point of release is 45.0 m above the ground. Neglect air resistance.
(i) How long does it take for the ball to hit the ground?
(ii) Find the ball’s speed at impact.
(iii) Find the horizontal range of the stone.
Answers
Answer:
See below
Explanation:
Vertical position = 45 + 20 sin (30) t - 4.9 t^2
when it hits ground this = 0
0 = -4.9t^2 + 20 sin (30 ) t + 45
0 = -4.9t^2 + 10 t +45 = 0 solve for t =4.22 sec
max height is at t= - b/2a = 10/9.8 =1.02
use this value of 't' in the equation to calculate max height = 50.1 m
it has 4.22 - 1.02 to free fall = 3.2 seconds free fall
v = at = 9.81 * 3.2 = 31.39 m/s VERTICAL
it will also still have horizontal velocity = 20 cos 30 = 17.32 m/s
total velocity will be sqrt ( 31.39^2 + 17.32^2) = 35.85 m/s
Horizontal range = 20 cos 30 * t = 20 * cos 30 * 4.22 = 73.1 m
the visible surface of the sun is composed of solid matter.
a. true
b. false
Answers
This statement is FALSE, the visible surface of the sun is composed of solid matter.
The sun is made totally out of plasma, the fourth nation of depending after gasoline, liquid, and strong, and the most energetic. As you could consider, the sun is tremendously hot. It varies among nine,900-27,000,000°F in temperature among the “surface” (the outer limb of its environment where it becomes obvious to light as opposed to opaque), and the middle.
Unlike the gasoline massive planets, which probably have a strong middle, the sun is made nearly out of hydrogen and helium, the lightest of all the elements, and at no point, internal should either of those exist as a solid at the one’s temperatures, despite the awesome pressures that exist in the solar. It’s plasma all the way down, even at the center where the density is ten instances that of gold.
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