PL tel

Asked by jain.pradeep | 24th Apr, 2019, 01:46: AM

Expert Answer:

Qn.13 :-   when the ball reaches the maximum height at t=3 s, its speed is zero and acceleration 10 m/s2
 
qn.14 :-   when the ball just before hitting ground, its speed is equal to initial launching speed 30 m/s and acceleration 10 m/s

Answered by Thiyagarajan K | 24th Apr, 2019, 02:37: PM

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