choose the right answer...plzzz i need the right answers 1))no kinetic energy is

Question

choose the right answer...plzzz i need the right answers
1))no kinetic energy is possessed by; (A) a shooting star. (B) a rotating propeller on a moving airplane. (C) a pendulum at the bottom of its swing. (D) an elevator standing at the fifth floor. (E) a cyclone.

2))A force on a particle is conservative if: (A) its work equals the change in the kinetic energy of the particle. (B) it obeys Newton's second law. (C) it obeys Newton's third law. (D) its work depends on the end points of the motion,not this the path between. (E) it is not frictional force.

3)) the momentum of an object at a given instant is independent of its: (A) inertia (B) mass (C) speed (D) velocity (E) acceleration.

Explanation / Answer

1)... D 2)... D 3)... E

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