Work, Power and EnergyHard
Question
A bomb of mass 10 kg suddenly explodes in to two parts of masses 2 kg and 8 kg. If total 1500 J kinetic energy is produced in the process then what will be kinetic energy of 2 kg fragment ?
Options
A.300 J
B.500 J
C.1000 J
D.1200 J
More Work, Power and Energy Questions
A man can see only between 75 cm and 200 cm. The power of the lens to correct the near point will be :-...A piece of ice falls from a height h so that it melts completely. Only one-quarter of the heat produced is absorbed by t...A solid sphere of radius R and density ρ is attached to one end of a mass-less spring of force constant k. The othe...A spherical ball of mass 20 kg is stationary at the top of a hill of height 100 m. It rolls down a smooth surface to the...A uniform chain of length L and mass M is lying on a smooth table and of its length is hanging down over the edge of the...