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 2 years ago
A ball of mass m bounces back b/w two surfaces with a speed u .
a) find the average force on each wall.
b) If one surface slowly move toward the other with a speed of v <<<< u .find the force exerted by the ball on moving surface .the gravity is neglected & the collision is perfectly elastic.
 2 years ago
A ball of mass m bounces back b/w two surfaces with a speed u . a) find the average force on each wall. b) If one surface slowly move toward the other with a speed of v <<<< u .find the force exerted by the ball on moving surface .the gravity is neglected & the collision is perfectly elastic.

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rishabh.mission
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1346771852468:dw

akash123
 2 years ago
Best ResponseYou've already chosen the best response.0a. if 2l is smaller than u....then no of collisions per sec= u / 2l so av force on each wall= change in momentum per second av force= (2mu)* u/2l

rishabh.mission
 2 years ago
Best ResponseYou've already chosen the best response.0can u plz elaborate..

akash123
 2 years ago
Best ResponseYou've already chosen the best response.0tell me...where u got stuck in part 'a' answer?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.0do u agree that no of collisions per sec= u/2l?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.0distance traveled by ball in 1s= u m

rishabh.mission
 2 years ago
Best ResponseYou've already chosen the best response.0how i solve 1st part ?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.01st...how many times the ball will collide with any one of the wall in 1s?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.0distance traveled by ball in 1s= u m.....right?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.0speed of ball is u m/s...so how much distance it'll travel in 1 second?
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