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serious [3.7K]
3 years ago
9

Run Gizmo: Orbital velocity is the velocity needed to make a circular orbit. Use the Gizmo to find the orbital velocity of the b

all on Venus. Make the orbit as circular as you can.
What is the orbital velocity on Venus?


Do the same on Earth. What is the orbital velocity on Earth?


Based on this, which planet do you think has stronger gravity, Venus or Earth? Explain

This is a science gizmo my science teacher it would rlly help to get answers. Thx.
Physics
1 answer:
Lina20 [59]3 years ago
8 0

Answer:

Hmm i need more info

Explanation:

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Illusory correlation

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What is a rock cycle?
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What shape is the graph produced by a force vs acceleration graph?
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2 years ago
(a) At what height above Earth’s surface is the energy required to lift a satellite to that height equal to the kinetic energy r
Nikitich [7]

Answer:

Explanation:

Gravitational Potential Energy at earth surface U_1=\frac{GM_em}{R_e}

Gravitational Potential Energy at height h is U_2=\frac{GM_em}{R_e+h}

Energy required to lift the satellite E_1=U_1-U_2

E_1=\frac{GM_em}{R_e}-\frac{GM_em}{R_e+h}

Now Energy required to orbit around the earth

E_2=\frac{1}{2}mv_{orbit}^2=\frac{GM_2m}{2(R_e+h)}

\Delta E=E_1-E_2

\Delta E=\frac{GM_em}{R_e}-\frac{GM_em}{R_e+h}-\frac{GM_2m}{2(R_e+h)}

E_1=E_2  (given)

\frac{GM_em}{R_e}-\frac{GM_em}{R_e+h}-\frac{GM_2m}{2(R_e+h)}=0

\frac{1}{R_e}-\frac{3}{2(R_e+h)}=0

h=\frac{R_e}{2}

h=3.19\times 10^6\ m

(b)For greater height E_1  is greater than E_2

thus energy to lift the satellite is more than orbiting around earth

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3 years ago
The strength of the gravitational force between two objects depends on________?
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Masses of the objects

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