Work, Power and EnergyHard
Question
A man m = 80 kg is standing on a trolley of mass 320 kg on a smooth surface. If man starts walking on trolley along rails at a speed of 1 ms-1, then after 4 sec, his displacement relative to ground is
Options
A.4 m
B.4.8 m
C.3.2 m
D.6 m
More Work, Power and Energy Questions
A ball is dropped from a height of 10m. If 40% of its energy is lost on collision with the earth then after collision th...The temperature at which thermal electric power of a thermo couple becomes zero is called :-...A man can see only between 75 cm and 200 cm. The power of the lens to correct the near point will be :-...If the momentum of a certain body is increased by 50%, its kinetic energy will be increased by:-...A heater is designed to operate with a power of 1000W in a 100V line. It is connected in combination with a resistance o...