A particle of mass `20gm` is moving with velocity `1m//s`. It penetrates `20 cm` wooden block (fixed) with average force `2.5xx10^(-2)N`. Find out speed particle when it come out from blocl.
If a bullet of mass 5gm moving with velocity 100m//sec, penertates the wooden block upto 6cm. Then the average force imposed by the bullet on the block is
A particle of mass 100 gm and charge 2muC is released from a distance of 50 cm from a fixed charge of 5muC . Find the speed of the particle when its distance from the fixed charge becomes 3 m.
A particle of mass 100 gm and charge 2muC is released from a distance of 50 cm from a fixed charge of 5muC . Find the speed of the particle when its distance from the fixed charge becomes 3 m.
A particle of mass m moving with velocity v strikes a stationary particle of mass 2 m and sticks to it. The speed of the system will be.
A particle is moving with initial velocity 1m/s and acceleration a=(4t+3)m/s^(2) . Find velocity of particle at t=2sec .
A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it. The speed of the system will be
A bullet of mass 0.04 kg moving with a speed of 600 m/s penetrates a heavy wooden block. It stops after a penetration of 500 cm. The resistive force exerted by the block on the bullet is
A 10 g bullet moving at 200 m/s stops after penetrating 5 cm of wooden plank. The average force exerted on the bullet will be
A bullet has a mass of 20 g and is moving with a speed of 1000 cms^(-1) . It can penetrate 10 cm of a given target before coming to rest. If the same target were only 6 cm thick, what will be the speed of the bullet when it comes out ?
