A shell of mass 5 kg moving with a speed of 20m/s explodes into two particles of 3kg and 2kg. If the 3kg particle just comes to rest after the explosion, find the speed of the 2kg particle
60 kg shell flying at a speed of 20 m/s explodes into two pieces. If one piece of mass 25 kg stops, then the velocity of the other piece will be.
Find the change in volume, which 1 m3 of water will undergo when taken from the surface of bottom of sea 1 km deep. Given the elasticity of water is 20,000 atm.
when an object moves closer to a concave lens the image formed by it shifts
a] away from the lens b] first away then towards the lens c] towards the lens d] first towards and then away from the lens
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