Work, Power and EnergyHard
Question
A ball after falling from a height of 10m strikes the roof of a lift which is descending down with a velocity of 1 m/s. The recoil velocity of the ball will be
(e = 1) -
(e = 1) -
Options
A.8 m/s
B.11 m/s
C.12 m/s
D.15 m/s
More Work, Power and Energy Questions
A particle which is constrained to move along the x-axis is subjected to a force in the same direction which varies with...If momentum (p), Area (A), Time (T) are takento be fundamental quantities, then energy has thedimensional formula :-...A bomb of 50 Kg is fired from a cannon with a velocity 600 m/s. If the mass of the cannon is 103 kg, then its recoil vel...In the arrangement of 3 bulbs of (50W, 100V) each as shown in the figure total power consumption will be :-...A mass of M kg is suspended by a weightless string. The horizontal force that is required to displace it until the strin...