Work, Power and EnergyHard
Question
A crane lifts 300 kg weight from earth′s surface upto a height of 2m in 3 seconds. The average power generated by it will be -
Options
A.1960 W
B.2205 W
C.4410 W
D.0 W
More Work, Power and Energy Questions
A spring of spring constant 5 × 103 N/m is stretched initially by 5 cm from the unstretched position. Then the work...Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in...A mass m moves in a circle on a smooth horizontal plane with velocity v0 at a radius R0. The mass is attached to a strin...A frictionless steel ball of radius 2cm, moving on a horizontal plane with a velocity of 5cm/s, collides head-on with an...Potential energy (sinusoidal curve) is shown graphically for a particle. The potential energy does not depend on y and z...