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A parachutist after bailing out falls 50 m without friction .When the parachute opens,it decelerates at 2ms -2 .He reches the ground with the speed of 3ms -1 .At what height did he bail out?

A parachutist after bailing out falls 50 m without friction.When the parachute opens,it decelerates at 2ms-2.He reches the ground with the speed of 3ms-1.At what height did he bail out? 

Grade:10

1 Answers

pranav taysheti
37 Points
7 years ago
Here, In this question.

Initial velocity = 50m/s
Acceleration = 2m/s2
final velocity = 3m/s


So therefore,

v2 = u2 + 2as

we get by that,

623.25m

sorry i could not include whole answer here.
 

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