Work, Power and EnergyHard
Question
A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m which applying the force and the ball goes upto 2 m height further, find the magnitude of the force. Consider g = 10 m/s2
Options
A.22 N
B.4 N
C.16 N
D.20 N
More Work, Power and Energy Questions
A ball falls from a height of 5m and strikes the roof of a lift. If at the time of collision, lift is moving in the upwa...If the linear momentum is increased by 5% , the kinetic energy will increase by...Two moles of an ideal monoatomic gas occupies a volume V at 27oC. The gas expands adiabatically to a volume 2V. Calculat...Which of the following is a non conservative force:-...When a conservative force does positive work on a body, then...