Asteroids X, Y, and Z have equal mass of 3.0 kg each. They orbit around a planet

Question

Asteroids X, Y, and Z have equal mass of 3.0 kg each. They orbit around a planet with M-5.20E+24 kg. The orbits are in the plane of the paper and are drawn to scale In the statements below, TE is the total mechanical energy, KE is the kinetic energy, and PE is the potential energy. equal toThe TE of X is the TE of Z greater thanThe PE of Z at a is that at m equal toThe TE of Y is the TE of Z greater than The PE of X at a is... the PE of Z at u less thanThe speed of X at a is that at s equal toThe PE of Z at a is.... the PE of X at a equal toThe PE of Z at u is the PE of Y at s equal toThe KE of Y at s is....that at c See the text on sattelite orbits and energy Submit Answer Incorrect. Tries 3/12 Previous Tries

Explanation / Answer

Ans)

Here TE is constant and X reaches a greater height

2)the PE of Z at a is less than that at m

3)the TE of Y is less than TE of Z

(Z reaches a greater height from the planet )

4)the PE of X at a is the same as the PE of Z at u

(since the asteroids have the same mass)

5)the speed of X at a is greater than that at s

(height is less , speed decreases with height)

6)the PE of Z at a is greater than the PE of X at a

(PE increases with distance [=height]from attractive body)

7)the PE of Z at u is the same as the PE of Y at s.

(same mass ,same distance from planet)

8)the KE of Y at s is the same as that at c.

(constant TE,same PE,therefore same KE)

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