What is momentum?

It is the measure of how much “ mass in motion” an object has.

what is momentum

•   It is the measure of how much “ mass in motion” an object has.

What is the SI unit for momentum?

p=m*v

Is momentum a scalar or v ector quantity?

•  It is a vector quantity since it has magnitude and direction.

Momentum is the product of what two values?

• Mass and velocity 

how does mass affect an objects momentum?

The greater mass something has, the greater its momentum it will have

how does velocity affect an objects momentum?

a higher velocity results in a higher momentum

can two objects of different masses have the same momentum? when?

yes but only if the lighter objects velocity matches the momentum of the heavier objects

what is impulse

impulse is the change in momentum of an object

what are the is units for impulse

newton-second (Ns)

is impulse scalar or vector

impulse is a vector quantity

In terms of impulse, what is one way we can reduce the force an object feels when it collides with another?

•  increase the time over which the collision occurs

When two objects collide, do they feel the same magnitude of impulse as each other?

• Yes, according to Newton's Third Law of Motion, when two objects collide, they experience the same magnitude of impulse, but in opposite directions

A rubber ball and a clay ball of the same mass are dropped from the same height. Which will experience a greater impulse? Why?

•  The rubber ball will experience a greater impulse because it bounces off the ground, resulting in a larger change in momentum compared to the clay ball, which stops and doesn't bounce. 

What is the equation for the Impulse-Momentum Theorem?

fΔt=mΔt

According to the theorem, How can a small force produce the same change in momentum as a larger force?

• According to the theorem a small force produces the same change in momentum as a larger force if the smaller force is applied for a long time.

According to the theorem, why is it important to follow through with your punch in boxing, or to follow through with their swings in baseball?

• It is important to follow through with your punch or swinging a baseball because following through increases the amount of time you're applying that force 

A 1,500 kg car is moving at a speed of 25 m/s to the right. If you use a force of -150 N, how long will it take you to stop the car?

•  It will take 250 seconds to stop the car. 

• What does the idea of Conservation of Momentum state?

-  Total momentum remains constant; it’s neither created nor destroyed but rather transferred between systems

• What is the equation for Conservation of Momentum?

• M1v1 + M2v2 = M1v’1 +M1v’1

• How does conservation of momentum explain why fireworks explode in a symmetric circle shape?

-Fireworks explode in circle shapes because their energy is transferred into thermal energy that goes outward, because there is no surface for the energy to hit they explode outward in all directions. 

• When two objects collide, each object changes its momentum. But conservation of momentum says that momentum stays the same, right? So how is that possible? What incorrect interpretation of conservation of momentum am I making?

The momentum doesn't stay the same for each object, it is transferred to one another making the total momentum from both objects have the same total from before their collision. Your interpreting that after the collision the objects will keep the same momentum they had before the collision, 

what is a collision

a collision is an interaction between two objects

what kinds of collisions are there

there are elastic and inelastic

difference between inelastic and elastic

elastic collision conserves momentum and kinetic energy while inelastic only conserves momentum

what is conserved in an elastic collision?

in elastic, both kinetic and momentum is conserved

what is conserved in a inelastic collision

in inelastic, momentum is conserved by kinetic is not

• How do collisions relate to the transfer of momentum?

• Collisions relate to the transfer of momentum because momentum is transferred from one object to another.

• What is an example of an elastic collision?

An example of an elastic collision is 2 pool balls colliding.

What is an example of an inelastic collision?

An example of an inelastic collision is throwing a  ball of clay at a wall because the ball of clay does not transfer energy to the wall it is colliding with, it sticks.