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Momentum

Authored by Heba Taleb

Science

12th Grade

Used 1+ times

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21 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What is the law that states that the total momentum of a closed system remains constant before and after a collision?

Law of motion

Newton's first law

Law of inertia

Law of conservation of momentum

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the formula to calculate momentum?

mass divided by velocity

mass plus velocity

mass multiplied by velocity

mass minus velocity

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the unit of momentum?

kg·m/s

m/s

m

kg

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

In any collision (crash) the ______ is ALWAYS constant

Total Momentum
total speed
total Velocity
Energy

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When two objects collide, the Pbefore is ____________ the Pafter.

more than 
less than 
equal to
unrelated to

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. If the first boxcar is at rest after the collision, what speed will the second boxcar move?

18.6 m/s
9.3 m/s
7.5 m/s
1.86 m/s

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?

3.57 m/s
3.2 m/s
10.0  m/s
9.0  m/s

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