Gravitation : DPP for class 9th

Quiz by JR World

Gravitation

Question 1 of 38

A balloon is at a height of 81m and is ascending upwards with the velocity of 12m/s. A body of 2kg weight is dropped from it. If g = 10m/s2, the body will reach the surface of earth in

1.5 s

4.025 s

5.4 s

6.75 s

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