Home
Class 12
PHYSICS
A ball is released from point A. During ...

A ball is released from point A. During its motion ball takes two seconds from B to C Find the time taken by ball from A to C.
.

A

`4 sec`

B

`5 sec`

C

`6 sec`

D

`7 sec`

Text Solution

Verified by Experts

The correct Answer is:
B

`uxx2+(1)/(2)xx10xx2^(2)=80rArru=30 m//s` so,`t'=u/g=3sec`
Total time `=t+t'=5 sec`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A ball is released from point A . During its motiom ball takes two seconds from B to C , Find the time taken by ball from A to C .

A ball is released from the top of a tower of height h metre. It takes T second to reach the ground. What is the position of the ball in T/3 second?

Three balls A,B and C are projected from ground with same speed at same angle with the horizontal.The balls A,B and C collide with the wall during a flight in air and all three collide perpendicularly and elastically with the wall as shown in figure.If the time taken by the ball A and fall back on ground is 4 seconds and that by ball B is 2 seconds Then the time taken by the ball C to reach the ground after projection will be

A ball is released from rest. If it takes 1 second to cross the last 20 m before hitting the ground, find the height from which it was dropped.

Let bag A contains 3 red balls and 9 black balls. Bag B contains 8 red balls and 4 black balls. Bag C contains 10 red balls and 2 black balls. A card is drawn from a well shuffled pack of 52 playing cards. If a face card is drawn, a ball is selected from Bag A. If an ace is drawn, a ball is selected from Bag B. If any other card is drawn , a ball is selected from Bag C. The probability that a red ball is selected is

A ball released from rest from the roof of a building of height 45 m at t = 0. Find the height of ball from ground at t = 2s.

Let bag A contains 3 red balls and 9 black balls. Bag B contains 8 red balls and 4 black balls. Bag C contains 10 red balls and 2 black balls. A card is drawn from a well shuffled pack of 52 playing cards. If a face card is drawn, a ball is selected from Bag A. If an ace is drawn, a ball is selected from Bag B. If any other card is drawn , a ball is selected from Bag C. The conditional probability that Bag B was one from which a ball was selected, given that the ball selected was black is

A bag ccontains 4 white and 5 red balls. Second bag contains 6 whilte and 3 red balls. A ball is transferred from first bag to second and then a ball is drawn from the second bag. Find the probability that this ball drawn is red.