Question

state which of the following situations are possible and give an example for each of these i)an object ​

Answer 1

a body projected upwards has zero velocity at highest point but there is constant acceleration due to gravity towards ground

Answer 2

Answer:

Both are possible

Explanation:

(a) The term acceleration implies that the velocity of the object is changing; inspite of that constant acceleration with zero velocity is impossible.

(b) Object moving in a certain direction with an acceleration in perpendicular direction is possible; in case of circular motion. ... We know, that a tangent always makes a right angle with the radius; so when an object is in circular motion, the acceleration and velocity are in mutually perpendicular direction

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