A 2 kg mass lying on a smooth horizontal table is displaced in the horizontal di
NextA stone projected up with velocity u reaches a maximum height h. When it is at a
An object of mass 5 kg falls from rest through a vertical distance of 20 m and reaches a velocity of
MediumFind out potential energy of the system
EasyA 2 kg mass lying on a smooth horizontal table is displaced in the horizontal direction by 50 cm. Th
MediumThe position of a particle of mass 4 g, acted upon by a constant force is given by x = 4t² + t, wher
MediumA cord is used to lower vertically a block of mass M by a distance d at a constant downward accelera
EasyA force F = (x + 1) N acts on a particle in x-direction. What is the work done by this force in disp
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