Question

what is the displacement of the body is the complete semi circle motions and one complete circular motions​

Answer 1

Ｑｕｅｓｔｉｏｎ :-

what is the displacement of the body is the complete semi circle motions and one complete circular motions

~ $\small \blue {\sf{Answer }}$✨❤

Displacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.

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Answer 2

If displacement of an object is proportional to secure of time then what is motion