Work, Power and EnergyHard
Question
A ball moving with velocity of 9m/s collides with another similar stationary ball. After the collision both the balls move in directions making an angle of 30o with the initial direction. After the collision their speed will be −
Options
A.2·6 m/s
B.5·2 m/s
C.0·52 m/s
D.52 m/s
More Work, Power and Energy Questions
When a metal surface of work function φ0 is illuminated with the light of frequency v, the maximum kinetic energy o...A ball of mass 10 kg is moving with a velocity of 10 m/ s. it strikes another ball of mass 5kg, which is moving in the s...Two solid balls of rubber A and B whose masses are 200 gm and 400 gm respectively, are moving in mutually opposite direc...For 100% modulation (AM), the useful part of the total power radiated is...The temperature at which thermal electric power of a thermo couple becomes zero is called :-...