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Momentum & Collisions

Authored by Jayson Carraway

Physics

10th - 12th Grade

NGSS covered

Momentum & Collisions
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a particle’s kinetic energy is zero, what is the

momentum?

zero

1 kgms1\ kg\cdot\frac{m}{s}

15 kgms15\ kg\cdot\frac{m}{s}

negative

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the momentum of a 0.148 kg baseball

thrown with a velocity of 35 m/s toward home plate?

5.1 kg∙m/s toward home plate

5.1 kg∙m/s away from home plate

5.2 kg∙m/s toward home plate

5.2 kg∙m/s away from home plate

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

After being struck by a bowling ball, a 1.5 kg bowling

pin slides to the right at 3.0 m/s and collides head-on

with another 1.5 kg bowling pin initially at rest.

What is the final velocity of the second pin if the first

pin moves to the right at 0.5 m/s after the collision?

2.5 m/s to the left

2.5 m/s to the right

3.0 m/s to the left

3.0 m/s to the right

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For a given change in momentum, if the net force

that is applied to an object increases, what happens

to the time interval over which the force is applied?

The time interval increases.

The time interval decreases.

The time interval remains the same.

It is impossible to determine the answer from the information given.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which equation expresses the law of conservation

of momentum?

p=mvp=mv

m1v1,i+m2v2,i=m1v1,f+m2v2,fm_1v_{1,i}+m_2v_{2,i}=m_1v_{1,f}+m_2v_{2,f}

12m1v1,i2+m2v2=12(m1+m2)vf2\frac{1}{2}m_1v_{1,i}^2+m_2v_2=\frac{1}{2}\left(m1+m2\right)v_f^2

KE=pKE=p

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Two shuffleboard disks of equal mass, one of which

is orange and one of which is yellow, are involved in

an elastic collision. The yellow disk is initially at rest

and is struck by the orange disk, which is moving

initially to the right at 5.00 m/s. After the collision,

the orange disk is at rest. What is the velocity of the

yellow disk after the collision?

zero

5.00 m/s to the left

2.50 m/s to the right

5.00 m/s to the right

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds.  Which cart experiences the greatest impulse?

Cart B
Cart A
they are the same

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