WorksheetsMomentum and collisions
Total questions: 21
Worksheet time: 1hrs 24mins
What is the momentum of a 55 kg object with a velocity of 8.4 m/s?
462
6.5
1940.4
4532.2
If you want to change an object's momentum by 200 kg*m/s by applying a force of 15 N, how long do you need to apply the force for?
13.3 s
3000 s
.075 s
200 s
Object 1 has a mass of 20 kg and an initial velocity of 5 m/s, and object 2 has a mass of 30 kg and an initial velocity of 6 m/s. What is their total momentum?
280
30
180
100
A 23 kg bag of dog food is thrown at a speed of 7 m/s into a stationary shopping cart that weighs 3.5 kg. What is the final velocity of the cart and bag?
6.1 m/s
7 m/s
4.6 m/s
3.5 m/s
Marble 1 is sliding down a ramp with a velocity of 4.1 m/s and collides with marble 2 that is sitting at rest. If marble 1 weighs .25 kg and marble 2 weighs .5 kg, what is the final velocity of marble 1?
-1.37 m/s
4.1 m/s
-2.73 m/s
1.2 m/s
Marble 1 is sliding down a ramp with a velocity of 4.1 m/s and collides with marble 2 that is sitting at rest. If marble 1 weighs .25 kg and marble 2 weighs .5 kg, what is the final velocity of marble 2?
-1.37 m/s
-4.1 m/s
2.73 m/s
1.2 m/s
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 blobs 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
A 5 N force is applied to a 3 kg ball to change its velocity from 9 m/s to 3 m/s. What is the change in momentum of the ball?
-2.5
-10
-18
-45
Calculate the impulse on the ball.
A stationary ball that weighs 5 kg is hit by a 10 kg ball moving at a speed of 20 m/s. What is the final velocity of the 10 kg ball?
6.7 m/s
10 m/s
20 m/s
5.3 m/s
A stationary ball that weighs 5 kg is hit by a 10 kg ball moving at a speed of 20 m/s. What is the final velocity of the 5 kg ball?
26.7 m/s
10 m/s
20 m/s
15.3 m/s
A marble with a mass of .4 kg is rolling down a ramp at a speed of 5 m/s and collides with a .25 kg marble sitting at rest. What is the final velocity of the first marble?
1.15 m/s
2 m/s
5 m/s
6.2 m/s
A marble with a mass of .4 kg is rolling down a ramp at a speed of 5 m/s and collides with a .25 kg marble sitting at rest. What is the final velocity of the second marble?
1.15 m/s
2 m/s
5 m/s
6.2 m/s
The last two equations on the equation sheet are used when two objects collide head on (not a glancing collision). One object needs to be moving, and one object is at rest.
True
False
When using the last two equations on the equation sheet, v0 is the
initial velocity of the moving object
initial velocity of the stationary object
final velocity of the moving object
final velocity of the stationary object
If two objects are moving in opposite directions, one velocity is positive and the other velocity is
negative
positive
unknown
