Three particles of mass 20g,30g and 40g are moving along the positive direction of the coordinaate axes respectively with the same velocity of 20cm/s,when due to their mutual interaction,the first particle comes to rest,the s ...
A particle of mass 2m is projected at an angle of 45 wrt horizontal wid a velocity of 20 2 m /s .After 1 s explosion takes place and the particle is pbroken into two equal pieces .As a result of this one part comes to rest.Fi ...
