Questions
A particle is dropped from a height h. A constant horizontal velocity is given to the particle. Taking g to be constant every where, kinetic energy E of the particle w. r. t. time t is correctly shown in
detailed solution
Correct option is A
As particle is projected with some velocity therefore its initial kinetic energy will not be zero. As it moves downward under gravity then its velocity increases with time K.E. ∝ v2 ∝ t2 (As v ∝ t)So the graph between kinetic energy and time will be parabolic in nature.Talk to our academic expert!
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A bomb of 12 kg explodes into two pieces of masses 4 kg and 8 kg. The velocity of 8kg mass is 6 m/sec. The kinetic energy of the other mass is
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