Part 1
A car of mass 400 kg travelling at 72 kmh crashes a truck of mass 4000 kg and travelling at 9 kmh in the same direction. The car bounces back with a speed of 18 kmh. The speed of the truck after the impact is
29
Oct
A car of mass 400 kg travelling at 72 kmh crashes a truck of mass 4000 kg and travelling at 9 kmh in the same direction. The car bounces back with a speed of 18 kmh. The speed of the truck after the impact is A sphere of mass m moving with a constant velocity [...]
Two particles of same mass m moving with velocities u1 and u2 collide perfectly inelastically. The loss of kinetic energy is
29
Oct
Two particles of same mass m moving with velocities u1 and u2 collide perfectly inelastically. The loss of kinetic energy is Two particles of same mass m moving with velocities u1 and u2 collide perfectly inelastically. The loss of kinetic energy is October 29, 2020 Category: Chapter 8 - COM, Momentum and Collision , MTG [...]
A glass marble dropped from a certain height above the horizontal surface reaches the surface in time t and then continues to bounce up and down. The time in which the marble finally comes to rest is :
29
Oct
A glass marble dropped from a certain height above the horizontal surface reaches the surface in time t and then continues to bounce up and down. The time in which the marble finally comes to rest is : A sphere of mass m moving with a constant velocity u hits another stationary sphere of the [...]
A particle of mass m moving east with a speed v collides with another particle of the same mass and the same speed v moving towards the north. if the two particles strick to each other, the new particle of mass 2m will have a speed of
29
Oct
A particle of mass m moving east with a speed v collides with another particle of the same mass and the same speed v moving towards the north. if the two particles strick to each other, the new particle of mass 2m will have a speed of A particle of mass m moving east with [...]
A 2 kg ball moving at 12ms^−1 undergoes head collision with a 4kg ball moving in the opposite direction at 48m/s. if the coefficient of restitution is 2/3, their velocities in m/s after collision are
29
Oct
A 2 kg ball moving at 12ms^−1 undergoes head collision with a 4kg ball moving in the opposite direction at 48m/s. if the coefficient of restitution is 2/3, their velocities in m/s after collision are A 2 kg ball moving at 12ms^−1 undergoes head collision with a 4kg ball moving in the opposite direction at [...]
A metal ball of mass 2 kg moving with speed of 36 km/hr is having a collision with a stationary ball of mass 3 kg. If after collision, both the balls move together, the loss in kinetic energy due to collision is :
29
Oct
A metal ball of mass 2 kg moving with speed of 36 km/hr is having a collision with a stationary ball of mass 3 kg. If after collision, both the balls move together, the loss in kinetic energy due to collision is : A metal ball of mass 2 kg moving with speed of 36 [...]
Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that of 1 after collision?
29
Oct
Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that of 1 after collision? Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of [...]
The first ball of mass m moving with velocity u collides head on with the second ball of mass m at rest. If the coefficient of restitution is e, then the ratio of the final velocity of the seconds ball to the initial velocity of the first ball is
29
Oct
The first ball of mass m moving with velocity u collides head on with the second ball of mass m at rest. If the coefficient of restitution is e, then the ratio of the final velocity of the seconds ball to the initial velocity of the first ball is The first ball of mass m [...]
Three identical spherical balls A, B and Care placed on a table as shown in the figure along a straight line. B and C are at rest initially. The ball A hits B head on with a speed of 10 m/s. Then after all collision A and B are brought to rest and C takes off with velocity of
29
Oct
Three identical spherical balls A, B and Care placed on a table as shown in the figure along a straight line. B and C are at rest initially. The ball A hits B head on with a speed of 10 m/s. Then after all collision A and B are brought to rest and C takes [...]
Two particles having position vectors r1 = 3i + 5j m and r2 = -5i – 3j m are moving with velocities v1 = 4i + 3j m/s and v2 = ai + 7j m/s. If they collide after 2 seconds, the value of a is
28
Oct
Two particles having position vectors r1 = 3i + 5j m and r2 = -5i – 3j m are moving with velocities v1 = 4i + 3j m/s and v2 = ai + 7j m/s. If they collide after 2 seconds, the value of a is the value of a is Two particles having position [...]