In a conservative field, the potential energy U as a function of position x is g
NextWhen a force retards the motion of body, the work done is:
If the kinetic energy of a moving body is increased to 16 times of its original value, then the line
EasyMost appropriate graph between kinetic energy E and velocity V is:
MediumA block of mass 5 kg slides down from rest on a rough surface having 30° inclination with horizontal
MediumTwo bodies of masses m₁ and m₂ have equal kinetic energies. If p₁ and p₂ are their respective moment
EasyIf a body of mass 2 kg is moving with constant velocity of 2 m/s, then the kinetic energy of the bod
MediumAn object of mass 5 kg falls from rest through a vertical distance of 20 m and reaches a velocity of
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