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30 Answered Questions for the topic Collision

Collision Science Physics

10/28/20

Calculating spring constant experientially with the methods of compression and collision (the question on the experiment is bolded in the description)

In an experiment, the spring constant (k) was calculated by gathering data on force and displacement from a compression (Part 1) and a collision (Part 2). In both parts, the spring constant (k) was... more

12/15/19

Momentum and Energy COnservation and Collisions

A block of mass M, at rest on a frictionless horizontal table, is attached to a rigid wall by an ideal spring with spring constant k. A bullet of mass m and speed v strikes the block and becomes... more
Collision Physics Algebra

11/14/19

Bullet being shot into a block

A 0.0150kg bullet is shot into a 4.0kg block which is at rest on a frictionless horizontal surface. The bullet remains lodged in the block. The block moves into a spring and compresses it by 3.8cm.... more
Collision Physics

11/04/19

Momentum and collisions

A 0.045-kg bullet traveling at a speed of 456 m/s is fired vertically into a sponge with a mass of 0.0060kg that is initially at rest. Assuming that the bullet is embedded in the sponge, how high... more
Collision Physics Acceleration

08/02/19

Small car colliding with large truck?

A small car collides with a large truck. Why do both vehicles experience the same magnitude of force? Wouldn't the large vehicle experience less force than the small one?
Collision Physics Forces

07/17/19

Ball flying towards me or me flying towards ball?

Suppose a ball is flying towards me at a speed of 10m/s and that, on impact, I feel "x" amount of pain. If, instead, it was me flying towards the ball at the same speed, with all other conditions... more
Collision Physics Forces

07/16/19

How do I describe and calculate the effect of an impacting object?

My lab studies the physiology of impact injury on biological tissues. I use a pneumatic cylinder to impart injury into a biological sample and then assess the molecular and physiological changes in... more
Collision Physics Forces

05/06/19

Why does a billiard ball stop when it hits another billiard ball head on?

(*I'm repeating myself a lot here, but it's because I want to make my confusion clear.*) If 2 billiard balls are the same exact mass, and one hits another stationary one head on, I have heard that... more
Collision Physics Forces

03/16/17

Impulse and force

I've been stuck on this question forever and I keep getting it wrong :( Please help!   A truck of mass 3 tonnes is travelling at 105km/h when it hits a car of mass 1.5 tonne travelling in the... more
Collision Science Physics

02/14/17

Finding velocity after a collision

On a very wet and slippery rugby field a 120 kg halfback tackles a 90 kg second rower. Prior to the collision the halfback is slipping with a velocity of 5.6m/s south and the second rower is... more
Collision Science Physics

02/14/17

Calculating impulse

A car of 1 tonne travels at a speed of 100km/h collides with a 3 tonne van travelling 20km/h in the same direction. After the collision the car rebounds at 20km/h. Calculate the impulse on the van. 
Collision Physics

01/16/17

Physics collision

A rubber stopper collides inelastically with the ground. during the collision, the magnitude of the force exerted on the stopper is F(t)= 2x10^5t-3x10^7t^2 the collision last for 6.67 ms calculate... more
Collision Physics Inertia

01/02/17

Rotational physics problem

a 1.5kg uniform rod of length .75 meters swings from rest around an axis through its end through an angle of 60 degrees. It strikes the center of a small .25 kg ball which sits on the edge of a... more
Collision Physics Momentum

01/01/17

A physics question that uses momentum and collision concepts

A 3kg steel ball attached to a string is given an initial velocity of 1.8m/s and swings through an angle of 60 degrees, colliding with a 4kg steel cube also suspended by a string, initially at... more
Collision Physics Momentum

12/05/16

Physics momentum

A neutron of mass u traveling with a speed 5.00x105 m/s collides with a stationary alpha particle of mass 4u.  The neutron scatters off the alpha particle at an angle 65˚ with speed... more
Collision Physics Momentum

05/09/16

What kind of collision is this? What formulas do I use for a and b?

Bill forgets to put his car in park, and it starts rolling forward. When it is moving at a speed of 2 m/s, it collides with Tanya's car, which is moving 3 m/s backward. Bill's car bounces backward... more
Collision Physics Velocity

01/07/16

Momentum in a collision.

How is momentum conserved in a collision?   Explain using words, calculations, or both as well as physics terms.

12/17/15

Explain physics question and answer.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   A car traveling at 20 m/s has 1,000 J of... more
Collision Physics Mass

12/17/15

Explain total momentum in physics.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   When is total momentum greatest?   The... more
Collision Physics Mass

12/17/15

Explain momentum before a collision.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   Which ball has more momentum before the... more
Collision Physics Mass

12/07/15

How does the pressure on each dummy compare?

Two safety dummies (of equal mass) are being used to test seat belts. Dummy A has a wide seat belt, and Dummy B has a narrow seat belt. Both dummies are crashed into a barrier while in the same... more
Collision Physics Forces

12/07/15

How do the forces required to stop each dummy compare? How does the pressure on each dummy compare?

Two safety dummies (of equal mass) are being used to test seat belts. Dummy A has a wide seat belt, and Dummy B has a narrow seat belt. Both dummies are crashed into a barrier while in the same... more
Collision Physics Velocity

12/02/15

Two 1-kg carts are each moving toward each other at 2 m/s. They collide and each reverses directions, moving in the opposite directions at 2 m/s.

Two 1-kg carts are each moving toward each other at 2 m/s. They collide and each reverses directions, moving in the opposite directions at 2 m/s. Draw a diagram showing the carts before and after... more
Collision Physics Speed

12/02/15

How does the speed of the carts after the collision compare with the initial speed of the moving cart?

One cart hits and sticks to a second cart. Make a diagram showing the carts before and after the collision. How does the speed of the carts after the collision compare with the initial speed of the... more
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