Physics Physics Practice Problems Solutions Library

# Elastic Collisions Solutions Library

Access 19 Elastic Collisions video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Elastic Collisions learn videos.

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19 solutions

Elastic Collisions

#### Q. Jeanette is playing in a 9-ball pool tournament. She will win if she sinks the 9-ball from the final rack, so she needs to line up her shot precise...

Solved • Jul 17, 2020

Elastic Collisions

#### Q. Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball’s initial speed was 2.00 m/s and the other’s was 3.60 m...

Solved • Jul 17, 2020

Elastic Collisions

#### Q. Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball's initial speed was 2.20 m/s , and the other's was 3.50...

Solved • Jul 16, 2020

Elastic Collisions

#### Q.  A ball of mass m moving with velocity v, strikes a vertical wall as shown in (Figure 1). The angle between the ball's initial velocity vector and ...

Solved • Jul 15, 2020

Elastic Collisions

#### Q. Block 1 of mass m1 = 2.10 kg, moves along a frictionless air track with speed v1 = 29.0 m/s . It collides with block 2, of mass m2 = 57.0 kg, which...

Solved • Jul 10, 2020

Elastic Collisions

#### Q. Block 1, of mass m1, moves across a frictionless surface with speed ui. It collides elastically with block 2, of mass m2, which is at rest (vi = 0)...

Solved • Jun 2, 2020

Elastic Collisions

#### Q. A baseball of mass m1 = 0.39 kg is thrown at another ball hanging from the ceiling by a length of string L = 1.95 m. The second ball m2 = 0.85 kg i...

Solved • Jun 2, 2020

Elastic Collisions

#### Q. Balls A and B roll across a table, then collide and bounce off each other. The paths of the two balls are pictured (viewed from above) in the diagr...

Solved • May 27, 2020

Elastic Collisions

#### Q. As shown in the figure (Figure 1) , a superball with mass m equal to 50 grams is dropped from a height of hi =1.5 m. It collides with a table, then...

Solved • May 18, 2020

Elastic Collisions

#### Q. You know that a collision must be "elastic" if:a) The colliding objects stick togetherb) The sum of the final kinetic energies equals the sum of th...

Solved • May 1, 2020

Elastic Collisions

#### Q. For an elastic collision, which of the following statements are true? Choose all that apply.a) Kinetic energy is conserved.b) Momentum is gained.c)...

Solved • Apr 22, 2020

Elastic Collisions

#### Q. Two billiard balls with the same mass m move in the direction of one another. Ball one travels in the positive x-direction with a speed of V1i, and...

Solved • Apr 21, 2020

Elastic Collisions

#### Q. A 0.060-kg tennis ball, moving with a speed of 5.1 m/s, has a head-on collision with a 9.5×10−2-kg ball initially moving in the same direction at a...

Solved • Nov 12, 2018

Elastic Collisions

#### Q. A 46.0 g marble moving at 2.20 m/s strikes a 26.0 g marble at rest. Note that the collision is elastic and that it is a "head-on" collision so all ...

Solved • Nov 12, 2018

Elastic Collisions

#### Q. An 54.5 kg object moving to the right at 55.9 cm/s overtakes and collides elastically with a second 35.7 kg object moving in the same direction at ...

Solved • Jun 5, 2017

Elastic Collisions

#### Q. In the “slingshot effect,” the transfer of energy in an elastic collision is used to boost the energy of a space probe so that it can escape from t...

Solved • Jun 5, 2017

Elastic Collisions

#### Q. A projectile of mass m 1 moving with a speed v1 in the +x direction strikes a stationary target of mass m2 = 2m1 head-on in an elastic collision. F...

Solved • May 16, 2017

Elastic Collisions

#### Q. A 5 kg and a 3 kg mass collide head on, with the 5 kg mass moving at an initial speed of 15 m/s and the 3 kg mass moving at an initial speed of 10 ...

Solved • Feb 28, 2017

Elastic Collisions

#### Q. Blocks A and B are moving on a horizontal frictionless air track. Block A has mass 3.0 kg and block B has mass 6.0 kg. Initially block A is moving ...

Solved • Jan 30, 2017