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A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate the total time it takes to return to the surface of the earth.

A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate
the total time it takes to return to the surface of the earth.

Grade:12

1 Answers

Anand Kumar Pandey
askIITians Faculty 5733 Points
3 months ago
Dear Student

Time take t = ?
v = u + gt
∴ 0 = 49 + (–9.8) × t
t = –49/- 9.8 =5s
Total time taken to return the surface of the earth by the ball is 5 s + 5 s = 10 s.

Thanks

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