24. A ball strikes a wall with a velocity u and an angle a to the
wall and rebound at a velocity v and at an angle B to the wall.
Then
(a) usina = vsinß
Ibu= v
(c) ucosa = v sinß
(d) usina = v cosß
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Answer:
(a) usina = vsinß
Explanation:
(a) usina = vsinß
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