Answer to Question #170047 in Physics for Ara

Question

(a).Two identical blocks A and B are at rest on a frictionless plane. Block C of the same 

weight hits block B with a velocity of 2.5 m/s. Knowing that the coefficient of restitution 

is 0.7 between block B and block C and 0.4 between block A and block B.

(i) Determine the velocity of each block after all collisions have taken place.

 (12 marks)

(ii) From your working in Q1(a)(i), predict whether there will be another collision 

after block B collides with block A? (2 marks)

(iii) If the coefficient of restitution between block A and block B is changed to 0.7, 

explain with calculations whether there will be a collision between block B and 

block C after block B collides with block A? (6 marks)

Answer 1

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