Home
Class 12
PHYSICS
A ball is thrown vertically up with a ve...

A ball is thrown vertically up with a velocity `u`. It passes three points `A, B` and `C` in its upward journey with velocities `u/s,u/3` and `u/4`, respectively. Find `(AB)/(BC)`.

A

1

B

2

C

`10//7`

D

`20//7`

Text Solution

Verified by Experts

A to B ` " " (u//c) ^(2) =(u//2)^(2) -2g (AB) =AB =( 5u^(2))/( 72g) `
` underset-( B" to " C) (u//4)^(2) =( u//3) ^(2) -2g (BC) rArr BC =( 7u^(2) )/( 288 g) " "rArr " "(AB)/(BC) =(5)/(7) xx ( 288)/(7) = 20//7`
Promotional Banner

Similar Questions

Explore conceptually related problems

A player throws a ball vertically upwards with velocity u. At highest point,

A body is thrown vertically upward with velocity u , the greatest height h to which it will rise is,

Read the given passage and answer the following questions. A body is thrown vertically up with a velocity u as shown in the figure. It passes through points P and Q in its upward journey and reaches the maximum height at point R. Here (PQ)/(PR)=7/16 , OP = (2u^2)/45 , and take g=10 m//s^2 Find the velocity of the particle at point P.

Read the given passage and answer the following questions. A body is thrown vertically up with a velocity u as shown in the figure. It passes through points P and Q in its upward journey and reaches the maximum height at point R. Here (PQ)/(PR)=7/16 , OP = (2u^2)/45 , and take g=10 m//s^2 Find the time taken by the particle to reach highest point R.

A body is thrown vertically upwards with a velocity u . Find the true statement from the following

An object is thrown upward with a velocity u , then displacement -time graph is

A ball is thrown vertically upward with a velocity u from the top of a tower. If it strikes the ground with velocity 3u, the time taken by the ball to reach the ground is

A body is thrown vertically upward with velocity u . The distance traveled by it in the fifth and the sixth second are equal. The velocity u is given by