A ball hits the floor and rebounds after an i | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) According to the law of conservation of linear momentum,if the net external force on a system is zero,the total momentum of the system remains con

Vedclass · Accepted Answer

the total momentum of the ball and the earth is conserved

Vedclass · Answer

(C) According to the law of conservation of linear momentum,if the net external force on a system is zero,the total momentum of the system remains conserved.When a ball hits the floor,the interaction between the ball and the Earth (floor) involves internal forces. Since there is no external force acting on the system of the ball and the Earth,the total momentum of the system is conserved.In an inelastic collision,kinetic energy is not conserved as some energy is dissipated as heat,sound,or deformation energy.Therefore,the mechanical energy of the ball is not conserved,and the total mechanical energy of the ball and the Earth is also not conserved due to the energy loss during the inelastic collision.

$A$ ball hits the floor and rebounds after an inelastic collision. In this case:

Similar Questions

Two bodies having same mass $40\, kg$ are moving in opposite directions,one with a velocity of $10\, m/s$ and the other with $7\, m/s$. If they collide and move as one body,the velocity of the combination is ........ $m/s$.

$A$ ball moving with velocity $2 \,m/s$ collides head-on with another stationary ball of double the mass. If the coefficient of restitution is $0.5$, then their velocities (in $m/s$) after collision will be:

Ball $1$ collides with another identical ball at rest. For what value of coefficient of restitution $e,$ the velocity of the second ball becomes two times that of the first ball after the collision?

$A$ body of mass $2 \,kg$ collides head-on with another body of mass $4 \,kg$. If the relative velocities of the bodies before and after collision are $10 \,ms^{-1}$ and $4 \,ms^{-1}$ respectively, the loss of kinetic energy of the system due to the collision is (in $\,J$)

An inelastic ball is dropped from a height of $100\, m$. Due to the impact,$20\%$ of its energy is lost. To what height will the ball rise?

Vedclass Test Series

Exam Paper Generator

Online Exam Module