Motion in a Straight Line · Motion in a straight line
A paratrooper jumps from an aeroplane and opens a parachute after 2 s of free fall and starts decelerating with . At 10 m height from ground, while descending with the help of parachute, the speed of paratrooper is 5 m/s. The initial height of the aeroplane is m.
()
()
- (1)62.5
- (2)92.5
- (3)20
- (4)82.5
We corrected a printing error in the original paper
Source printed “deaccelerating”.
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See the full 23 Jan 2026, Shift 2 paper
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