Kinetic Energy & Momentum

If 'm' is the mass of the body moving with velocity 'v' having kinetic energy 'E', then the linear momentum of the body is

The kinetic energy of light body and a heavy body is same. Which one of the following statement is true?

A $6$ kg mass and $1.5$ kg mass are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

If the momentum of a body of mass ' $m$ ' is increased by $20\%$ then its kinetic energy increases by

When kinetic energy of a body becomes 36 times of its original value, the percentage increase in the momentum of the body will be:

Three bodies A, B and C have equal kinetic energies and their masses are $400\text{ g}, 1.2\text{ kg}$ and $1.6\text{ kg}$ respectively. The ratio of their linear momenta is:

Four particles $A, B, C, D$ of mass $\frac{m}{2}, m, 2m, 4m$, have same momentum, respectively. The particle with maximum kinetic energy is:

A car accelerates from rest to $u\text{ m/s}$. The energy spent in this process is E J. The energy required to accelerate the car from $u\text{ m/s}$ to $2u\text{ m/s}$ is $nE\text{ J}$. The value of $n$ is ____________.

If a lighter body of mass '$M_1$' and velocity '$V_1$' and a heavy body (mass $M_2$ and velocity $V_2$) have the same kinetic energy then

Two bodies are having kinetic energies in the ratio 16: 9. If they have same linear momentum, the ratio of their masses respectively is:

Using variation of force and time given below, final velocity of a particle of mass $2\text{ kg}$ moving with initial velocity $6\text{ m/s}$ will be

A body of mass $5\text{ kg}$ is moving with a momentum of $10\text{ kg ms}^{-1}$. Now a force of $2\text{ N}$ acts on the body in the direction of its motion for $5\text{ s}$. The increase in the Kinetic energy of the body is ___________ $\text{J}$.

A boy is rolling a 0.5 kg ball on the frictionless floor with the speed of 20 ms-1. The ball gets deflected by an obstacle on the way. After deflection it moves with 5% of its initial kinetic energy. What is the speed of the ball now?

The kinetic energy of a light body and a heavy body is same. Which one of them has greater momentum?

Three bodies P, Q and R have masses 'm' kg, '2m' kg and '3m' kg respectively. If all the bodies have equal kinetic energy, then greater momentum will be for body/bodies.

An athlete in the Olympic games covers a distance of $100\text{ m}$ in $10\text{ s}$ His kinetic energy can be estimated to be in the range

A particle of mass m1 is moving with a velocity v1 and another particle of mass m2 is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. If m1 > m2 then:

Two bodies with kinetic energies in the ratio $4 : 1$ are moving with equal linear momentum. The ratio of their masses is

Two bodies of masses $m$ and $4m$ are moving with equal kinetic energies. The ratio of their linear momenta is

Two masses of $1\text{ g}$ and $9\text{ g}$ are moving with equal kinetic energies. The ratio of the magnitudes of their respective linear momenta is

Two bodies of masses $m$ and $4m$ are moving with equal kinetic energies. The ratio of their linear momenta is