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Which of the following is ALWAYS true. a) An object experiencing a constant negative acceleration has...

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Physics

Which of the following is ALWAYS true.

a) An object experiencing a constant negative acceleration has adecreasing momentum.

b) If an object has a constant acceleration, its kinetic energyis changing at a constant rate.

c) If an object has a zero net force acting on it, its kineticenergy is constant.

d) If an object's kinetic energy is constant, there is no netforce acting on it.

e) If an object's kinetic energy is increasing there is apositive net force on it.

Answer & Explanation Solved by verified expert
3.7 Ratings (358 Votes)
Momentum mv For constant negative acceleration As Vf Vi Final Momentum Initial Momentum So a An object experiencing a constant negative acceleration has a decreasing momentum Allways True Kinetic Energy 12mv2 b If    See Answer
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