A car is moving along a straight level road with constant speed. Then
The K.E of a body is increased most by doubling its
A body is dropped from a certain height from the ground. When it is halfway down, it possesses
A body moves through a distance of 4 m in the following different ways. In which case the maximum work is done?
A body of mass 20 kg is dropped from a height of 2m. If g is taken to be equal to 10 m/s2, the kinetic energy of body, just before striking the ground, will be
The energy required to raise a given volume of water from a well can be
Two bodies of equal weight are kept at height h and 1.5h respectively. The ratio their P.E is
A flying aeroplane has
Which of the following graphs best represents the graphical relation between momentum (P) and kinetic energy (K) for a body in motion?
In which of the following cases will the work done be maximum if the body is moved through a distance S on the ground?
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