A parachutist after bailing out falls 50...

A parachutist after bailing out falls 50m without friction. When parachute opens, it decelerates at `2m//s^2`. He reaches the ground with a speed of `3m//s`. At what height, did the bail out?

293m

111m

91m

182m

Text Solution

Verified by Experts

Topper's Solved these Questions

MECHANICS
SL ARORA|Exercise Exercise|341 Videos
Mechanical Properties of Solids
SL ARORA|Exercise Example|113 Videos
Motion in a Plane
SL ARORA|Exercise Excercise|397 Videos

Similar Questions

Explore conceptually related problems

A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at 2 m//s^(2) he reaches the ground with a speed of 3 m//s at what height did he bail out ?

A parachutist after bailing out falls 80 m without friction. When the parachute opens, it decelerates at 2 m//s^(2) . He reaches the ground with a speed of 20 m//s . At what height, did he bail out?

A partachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at 2 ms^(-2) . At what height did he bail out

A parachutist after bailing out falls 80 m without friction. When the parachute opens, he decelerates downward with 5m//s^(2) and reaches the ground with a speed of 10 m//s . (a) How long is the parachutist in air? (b) At what height did bail out?

A parachutist after bailing out falls 52 m without friction. When the parachute opens, she decelerates at 2.1 ms^(-2) & reaches the ground with a speed of 2.9 ms^(-1) . (i) How long has been the parachutist in the air? (ii) At what height did the fall begin?

A parachutist after bailing out falls for 10 s without friction. When the parachute opens he descends with an acceleration of 2 m//s^(2) against his direction and reached the ground with 4 m//s from what height he has dropped himself? (g=10 m//s^(2))

A parachutist after bailing out falls freely for 50 metres. Then his parachute opens and he falls with deceleration of 2ms^-2 When he reaches the ground his speed is reduced to only 3 metres per seconds. at what height did he bail out ? For how long was he in air ?

A parachutist after bailing out falls freely for 50 metres.Then his parachute opens and he falls with deceleration of 2 ms^(-2) When he reaches the ground his speed is reduced to only 3 metres per second.At what height did he bail out ? For how long was he in air ?

A parrachutist bails out from an aeropane and after dropping through a distance of 40 m opens the parachute and decelerates at 2 ms^(-2) . If he reaches the ground with a speed of 2 ms^(-1) , how lowg he in the air ? At what height did he bail out from the plane ?

SL ARORA-MECHANICS-Exercise

From a building two balls A and B are thrown such that A is thrown up...
Text Solution
|
A ball is released from the top of a tower of height h metre. It takes...
Text Solution
|
A parachutist after bailing out falls 50m without friction. When parac...
Text Solution
|
An object , moving with a speed of 6.25 m//s , is decelerated at a ra...
Text Solution
|
From a tower of height H, a particle is thrown vertically upwards with...
Text Solution
|
A body is thrown vertically upwards. Which one of the following graphs...
Text Solution
|
All the graphs below are intended to represent the same motion. One of...
Text Solution
|
The displacement of a body is proporticonal to the cube of time elapse...
Text Solution
|
The velocity of a bullet is reduced from 200 m//s to 100 m//s while tr...
Text Solution
|
A particles starts from rest and has an acceleration of 2m//s^(2) ...
Text Solution
|
A body A starts from rest with an acceleration a1. After 2 seconds, an...
Text Solution
|
A body starts from rest and moves with constant acceleration. The rati...
Text Solution
|
The displacement of a particle moving along x-axis is given by : x =...
Text Solution
|
The velocity with which a body stricks the ground is always equal to ...
Text Solution
|
Three different objects of masses m(1) , m(2) and m(2) are allowed to ...
Text Solution
|
When a ball is thrown up vertically with velocity v0, it reaches a max...
Text Solution
|
A ball is droped from a high rise platform t = 0 starting from rest. A...
Text Solution
|
The ball is dropped from a bridge 122.5 m above a river, After the ba...
Text Solution
|
Which of the following velocity-time graphs shows a realistic situatio...
Text Solution
|
A body starting from rest moves along a straight line with a constant ...
Text Solution
|