The graph shows the upward speed of a ball thrown up with an initial speed of...

Question

Question

The graph shows the upward speed of a ball thrown

Answer 1

Answer #1

(A) It was thrown from the surface so initial potential energy was zero then it increases as it move in upward direction

so first option is false

(B) Acceleration remain constant as velocity time graph gives straight line with some value of slope

(C) It is correct because at maximum height its velocity become zero

(D) Ball K.E decreases in first second so this in false

(E) Correct because both are in downward direction

(F) Correct

So answer is CEF

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Answer 2

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