A ball strikes a smooth horizontal ground at an angle of 45 ° with the vertical. What cannot be the possible angle of its velocity with the vertical after the collision ?

Question

A ball strikes a smooth horizontal ground at an angle of 45 ° with the vertical. What cannot be the possible angle of its velocity with the vertical after the collision ?, 45 °, 30 °, 53 °, 60 °

MARKS App · Accepted Answer

Since surface is smooth so force is normal so horizontal component will remain unchanged while vertical component decreases or remain same ( e ≤ 1 ) that's why angle from vertical will increases or remains same.

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