Work, Power and EnergyEasy
Question
Two masses of 1 g and 4 g are moving with equal kinetic energies. The ratio of the magnitudes of their momenta is
Options
A.4 : 1
B.√2 : 1
C.1 : 2
D.1 : 16
= 
More Work, Power and Energy Questions
A man pushes a wall and fails to displace it. He does-...A car is moving along a hilly road as shown (side view). The coefficient friction between the types and pavement is cons...Curved surfaces shown in the figure are smooth and the horizontal surface is rough for which coefficient of friction is ...A particle is projected at 60o to the horizontal with a kinetic energy K. The kinetic energy at the highest point is...The weight of a person is 60 kg. If he gets10 calories of heat through food and the efficiency of his body is 28%, then ...