Answers

A body of mass 100g moving with a velocity of 10ms-1 collides with a wall. If after collision it…

A 20kg mass is to be pulled up a slope inclined at 30° to the horizontal. If efficiency of…

A body of mass 100g moving with a velocity of 10ms-1 collides with a wall. If after collision it…

A ball of mass 800g moving horizontally with a speed of 5m/s hits a vertical wall and rebounds…

A pulley system has three pulleys in the fixed block and two in the movable block and if…

Calculate the effective capacitance of the circuit in the diagram given A. 4μf B. 3μf C. 2μf D.…

The inner diameter of a small test tube can be measured accurately using a A. Micrometres screw gauge…

An object moves in a circular path of radius 0.5m with a speed of 1ms(^{-1}). What is its…

What effort will a machine of efficiency 90% apply to a load of 180N if its efforts arm…

In the diagram shown, If the south-poles of two magnets stroke a steel bar, the polarities at T…