Question

equation of kinetics are valid only when the acceleration is?

increasing,
decreasing,
constant,
vary with time

Answer 1

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equation of kinetics is valid only if the acceleration is UNIFORM.

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Answer 2

Answer: constant

Explanation:

equation of kinetics are:

$v=u+at \\ s=ut+\frac{1}{2}at^2\\ v^2-u^2=2as$

where v is the final velocity, u is the initial velocity, s is the distance covered, t is the time and a is the constant velocity.

These describe the motion of an object and predicts the future position of the object. These are valid only when the acceleration is constant.