Home
Class 11
PHYSICS
A ball moving with a speed of 10" m s"^(...

A ball moving with a speed of `10" m s"^(-1)` strikes an identical ball such that after the collision the direction of each ball makes an angle `45^(@)` with the original line of motion. Find the speeds of the two balls after the collision.

A

`v_(1)=5sqrt(2)" m"//"s", v_(2)=10sqrt(2)" m"//"s"`

B

`v_(1)=10sqrt(2)" m"//"s",v_(2)=10sqrt(2)" m"//"s"`

C

`v_(1)=5sqrt(2)" m"//"s",v_(2)=5sqrt(2)" m"//"s"`

D

`v_(1)=3sqrt(2)" m"//"s",v_(2)=10sqrt(2)" m"//"s"`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.4 Elastic and inelastic collisions in one and two dimensions)|4 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.6 Moment of force)|1 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.2 General idea of gravitational, electromagnetic and nuclear force electromagnetic and nuclear force from daily life experiences)|1 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos
  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

A ball moving with a momemtum 5 kg "ms"^(-1) strikes a wall. If the initial and final momenta make equal angles of 45^(@) , then magnitude in change in momentum is

A 1 kg ball moving with a speed of 6" ms"^(-1) collides head - on with a 0.5 kg ball moving in the opposite direction with a speed of 9" ms"^(-1) . If the coefficient of restitution is (1)/(3) , the energy lost in the collision is

On a friction surface a block a mass M moving at speed v collides elastic with another block of same mass M which is initially at rest . After collision the first block moves at an angle theta to its initial direction and has a speed (v)/(3) . The second block's speed after the collision is

2 balls have masses of 50 gm and 100 gm and they are moving along the same line in the same direction with velocities of 3m/s and 1.5 m/s respectively. They collide with each other and after the collision, the first ball moves with a velocity of 2.5 m/s. Calculate the velocity of the other ball after collision.

2 balls have masses of 50 gm and 100 gm respectively and they are moving along the same line in the same direction with velocities of 3 m/s and 1.5 m/s respectively. They collide with each other and after the collision, the first ball moves with a velocity of 2.5 m/s. Calculate the velocity of the other ball after collision.

A 1 kg ball moving with a speed of 20 m/s strikes a hard wall at an angle of 30^(@) with the wall. It is reflected with the same speed at the same angle. If the ball is in contact with the wall for 0.5 seconds, the average force acting on the wall is

In a collinear collision, a particle with an initial speed v0 strikes a stationary particle of the same mass. If the final total kinetic energy is 50% greater than the original kinetic energy, the magnitude of the relative velocity between the two particles, after collision, is :

A ball of mass 5 kg travelling with velocity of 15 cm/s makes a head on collision with another ball of mass 1 kg which is at rest. After the collision, the speed of the lighter ball is

A ball of 0.1 kg makes an elastic head on collision with a ball of unknown mass that is initially at rest. If the 0.1kg ball rebounds at one third of its original speed, what is the mass of the other ball?

A ball moving with velocity 2 ms^(-1) collides head on with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , then their velocities (in ms^(-1) ) after collision will be