Jeopardy

Momentum Impulse Inelastic Collisions

Elastic Collisions

$100 $100 $100 $100

$200 $200 $200 $200

$300 $300 $300 $300

$400 $400 $400 $400

$500 $500 $500 $500

Momentum for $100

Answer

True or False?

Ropes minimize momentum if a slip occurs while rock climbing.

Impulse for $100

Answer

True or False?

The impulse of a force, F, acting on an object is more than the product of the

force and the time interval during which the force act.

Inelastic Collision for $100

Answer

An inelastic collision is a collision in which momentum is ________ and

kinetic energy is ________.

Elastic Collision for $100

Answer

In an elastic collision momentum is ________ and kinetic energy is

________.

Momentum for $200

Answer

The formula for momentum is:

a. m=md

b. m=fv

c. p=fd

d. p=mv

Impulse for $200

Answer

A change in impulse equals a change in _________?

Inelastic Collision for $200

Answer

What is an inelastic collision?

Elastic Collision for $200

Answer

What is an elastic collision?

Momentum for $300

Answer

Can a bullet have the same momentum as a truck? Explain.

Impulse for $300

Answer

What is the units for impulse?

Inelastic Collision for $300

Answer

What will happen to a bug and a truck when they undergo an inelastic

collision?

Elastic Collision for $300

Answer

What will happen if a 110lb person set a screen in a basketball game on

a 170lb person?

Momentum for $400

Answer

Which one of Newton’s Laws does this refer to: Rates of change of a body is proportional to net force

applied to it.

Impulse for $400

Answer

What is the equation for the impulse-momentum theorem?

Inelastic Collision for $400

Answer

What is an example of an inelastic collision?

a.when you drop a glass bowl from the counter

b.when you shoot a basketball at the backboard

c. when one freight car hit another one at rest

d. when you slide down a water slide

Elastic Collision for $400

Answer

What is an example of an elastic collision?

a. When you throw an egg at the window

b. When a pool ball hits another

c. When you jump in a pool and make a splash

d. When a candle melts and drips on the candle

Momentum for $500

Answer

How fast must a 0.15kg tennis ball travel to have the same momentum as a 900kg Chevy Avalanche going

20 m/s?

Impulse for $500

Answer

What force must a person hit a stationary 0.12kg soccer ball if the force last for .02 seconds and the

ball moves with a speed of 20 m/s?

Inelastic Collision for $500

Answer

When a 80kg guy is roller skating at a speed of 6m/s and runs into a 40kg girl at rest, what is the velocity after

the collision?

Elastic Collision for $500

Answer

A bowling ball of mass 6kg moving at 5m/s strikes a pin of mass 0.8kg. The pin flies off with a velocity of

10m/s. How fast is the bowling ball now moving?

Momentum - $100

Next

True

During rock climbing nylon ropes stretch to extend force over a

period of time decreasing the force of momentum

Impulse - $100

Next

False

The impulse of a force, F, acting on an object is equal then the product of the force and the time interval during

which the force acts

Inelastic Collision - $100

Next

Inelastic collision is a collision in which momentum is conserved

and kinetic energy non-conserved.

Elastic Collision - $100

Next

In an elastic collision both momentum and kinetic energy is

conserved.

Momentum - $200

Next

D. p=mv

Impulse - $200

Next

Momentum

Inelastic Collision - $200

Next

When an object sticks together with another object

Elastic Collision - $200

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When an object collides with a 2nd object and the momentum of the 1st

object to bounce off each other.

Momentum - $300

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Yes it depends on force and time of each object.

Impulse - $300

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Newtons (seconds)

Inelastic Collision - $300

Next

The bug will stick to the truck.

Elastic Collision - $300

Next

The 110lb person will bounce off the 170lb person.

Momentum - $400

Next

Newton’s Second Law

F=ma

Impulse - $400

Next

f(change in time)=mvf-mvi

Inelastic Collision - $400

Next

C – When one freight car hits another because they stick together

Elastic Collision - $400

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B- when a pool ball hits another because the energy from the first ball is transferred to the next ball

and they don’t stick together

Momentum - $500

Next

Givens:

m=900kg

v=20m/s

p=mv

p=900(20)

p=18,000

m=.15kg

v=?

p=mv

18000=.15v

v=120,000m/s

Impulse - $500

Next

F x t = m (change in velocity)

F (.02sec) = .12kg (20m/s)

F (.02sec) = 2.4

F = 120 N

Inelastic Collision - $500

Next

m1v1+m2v2= m1v1+m2v2

80(6)+40(0)=80(v)+40(v)

480=120v2

360=v2

v= 18.97 m/s

Elastic Collision - $500

Next

Givens:

m=6kg

v=5m/s

p=mv

p=6(5)

p=30kg m/s

m=0.8kg

v=10m/s

p=mv

p=0.8(10)

p=8kg m/s

m1v1=m2v2

6(5)=.8(10)

30=8

30-8=

22kg m/s