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A ball hits a vertical wall horizontally at  bounces back at

a)

There is no acceleration because

b)

There may be an acceleration because its initial direction is horizontal

c)

There is an acceleration because there is a momentum change

d)

Even though there is no change in momentum there is a change in direction. Hence it has an acceleration



Question ID - 51039 | SaraNextGen Top Answer

A ball hits a vertical wall horizontally at  bounces back at

a)

There is no acceleration because

b)

There may be an acceleration because its initial direction is horizontal

c)

There is an acceleration because there is a momentum change

d)

Even though there is no change in momentum there is a change in direction. Hence it has an acceleration

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

As the ball bounces back with same speed so change in momentum

And we know that force = rate of change of momentum

 force will act on the ball so there is an acceleration

127 votes


127