Work, Power and EnergyHard
Question
A body of mass m1 moving with a velocity 10 ms-1 collides with another body at rest of mass m2. After collision the velocities of the two bodies are 2ms-1 and 5ms-1 respectively along the direction of motion of m1. The ratio
is :-
Options
A.
B.
C.
D.
More Work, Power and Energy Questions
A particle of mass m is initially at rest at the origin. It is subjected to a force and starts moving along the x-axis. ...The power of a pump which can pump 200 kg of water to a height of 200 m in 10s is (g = 10 m/s2):-...A block of mass 16 kg is moving on a frictionless horizontal surface with velocity 4m/s and comes to rest after pressing...A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system is :-...The kinetic energy of an electron gets tripled, then the de Broglie wavelength associated with it will be 1/n times, whe...