Home
Class 11
PHYSICS
A projectile moving vertically upwards w...

A projectile moving vertically upwards with a velocity of 200 m/s breaks into two equal parts at the height of 490 m. One part starts moving vertically upwards with a velocity of 400 m/s. How much time after the break up will the other part hit the ground?

A

`sqrt10s`

B

`2sqrt10s`

C

5s

D

10s

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A ball is thrown vertically upward with a velocity of 20 m/s. Calculate the maximum height attain by the ball.

A ball thrown vertically upwards with an initial velocity of 1.4 m//s. The total displcement of the ball is

An object is thrwon vertically upwards with a velocity of 60 m/s. After what time it strike the ground ? Use g=10m//s^(2) .

A pebble thrown vertically upwards with an initial velocity 50 m s^(-1) comes to a stop in 5 s. Find the retardation.

A projectile of mass 50 kg is shot vertically upwards with an initial velocity of 100 m//s . After 5 s , it explodes into two fragments, one of which having a mass of 20 kg travels vertically up with a velocity of 150 m//s : a. What is the velocity of the other fragment that instant? b.Calculate the sum of rnornenta of fragment 3s after the explosion. What would have been the momentum of the projectile at this instant if there had been no explosion?

A particle is projected vertically upwards from ground with velocity 10 m // s. Find the time taken by it to reach at the highest point ?

A balloon carring a stone is moving vartically upward with velocity 12 m//s . When the balloon is at height 64 m , the stone is dropped. After how much time and with what velocity will it strike the ground?

Find the maximum height reached by a particle which is thrown vertically upwards with the velocity of 20 m//s (take g= 10 m//s^(2) ).

A pebble is thrown vertically upwards with a speed of 20 m s^(-1) . How high will it be after 2 s? (Take g = 10 m s^(-2) )

A bal is thrown vertically upwards from the ground. It crosses a point at the height of 25 m twice at an interval of 4 secs. The ball was thrown with the velocity of