What is the coefficient of restitution for an elastic collision?

What is the coefficient of restitution for an elastic collision?

e = 1
In a perfectly elastic collision, we said that the relative velocities before and after a collision have the same magnitude and the opposite sign. This means that the coefficient of restitution for a perfectly elastic collision is e = 1.

What is the coefficient of restitution e for elastic impact *?

Explanation: The coefficient of restitution (e) is an index that describes the relative elasticity of an impact and ranges between 0 to 1. An e equal to 1 reflects a perfectly elastic collision, whereas an e equal to 0 reflects a perfectly plastic (or inelastic) collision.

What is coefficient of restitution formula?

v 2−v 1=−e(u 2−u 1). This formula is Newton’s law of restitution. The coefficient of restitution always satisfies 0≤e≤1.

What is coefficient of restitution how it explains elastic and inelastic collision?

Answer: The coefficient of restitution (COR) is the ratio of the final to initial relative velocity between two objects after they collide. A perfectly inelastic collision has a coefficient of 0, but a 0 value does not have to be perfectly inelastic.

What happens when two elastic bodies collide with each other?

An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions. Suppose two similar trolleys are traveling toward each other with equal speed.

When two bodies collide elastically then the quantity conserved is?

Note: If two bodies collide elastically then there is both kinetic energy and momentum forms. Thus from the given options the correct option is c both momentum and kinetic energy. Elastic collisions preserve both the quantities kinetic energy and momentum is conserved.

What is the value of e in elastic collision?

For elastic collisions, e = 1 while for inelastic collisions,e = 0. The value of e > 0 or e < 1 in all other kinds of forceful interactions.

What happens when two bodies of equal masses undergo elastic head-on collision?

For a head-on collision with a stationary object of equal mass, the projectile will come to rest and the target will move off with equal velocity. Hence, the velocities are interchanged i.e. the speeds are interchanged which in turn interchanges the momentum.

What happens when a system of two bodies undergoes an elastic collision?

In physics, an elastic collision is an encounter (collision) between two bodies in which the total kinetic energy of the two bodies remains the same. In an ideal, perfectly elastic collision, there is no net conversion of kinetic energy into other forms such as heat, noise, or potential energy.

Can coefficient of restitution be greater than 1?

Coefficient of Restitution Formula However, it can be more than one if there is an energy gain during the collision from a chemical reaction, a reduction in rotational energy, or another internal energy decrease that contributes to the post-collision velocity.

How do you find momentum after an elastic collision?

Multiply the second object’s mass by its velocity. For example, if it weighs1,000 and has a velocity of -30 meters per second, then its momentum will be 30,000 kg meters per second. Add the two velocities together to determine which way the objects will move after collision.

When the collision is completely elastic?

What is an elastic collision? An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions.

When two spheres of equal masses undergo oblique elastic collision with one of them after collision they will?

When two spheres of equal masses undergo a glancing elastic collision with one of them at rest, after the collision they will move at right angle to each other.

Does the law of conservation of momentum apply to inelastic and elastic collisions?

Elastic means that no energy is converted into heat during the collision so kinetic energy before and after the collision remains constant. In both elastic and inelastic collisions, momentum is always conserved.