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A ball strikes a wall with a velocity  at an angle  with the normal to the wall surface and rebounds from it at an angle  with the surface. Then

a)

, if the wall is smooth

b)

If the wall is rough, coefficient of restitution

c)

If the wall is rough, coefficient of restitution

d)

None of the above



Question ID - 100545 | SaraNextGen Top Answer

A ball strikes a wall with a velocity  at an angle  with the normal to the wall surface and rebounds from it at an angle  with the surface. Then

a)

, if the wall is smooth

b)

If the wall is rough, coefficient of restitution

c)

If the wall is rough, coefficient of restitution

d)

None of the above

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

(a,c)

If wall is smooth

If wall is rough, then

From (i) and (ii),

127 votes


127