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Momentum ReTest

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Last updated 20 days ago
30 questions
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Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

Question 9
9.

Question 10
10.

Question 11
11.

Question 12
12.

Question 13
13.

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

What force is exerted on a 0.025 kg egg by a bed sheet if the egg hits the sheet at 4 m/s and takes 0.2 seconds to stop? (nearest tenth)

Question 18
18.

Question 19
19.

Question 20
20.

A 0.040 kg bullet is shot out of a 5.0 kg gun at a velocity of 2500 m/s. What is the recoil velocity of the gun?
(nearest m/s)

Question 21
21.

Question 22
22.

Question 23
23.

Jeanne rolls a 7.0 kg bowling ball down the alley for the league championship. One pin, of mass 2 kg is still standing, and the bowling ball hits it head-on with a velocity of 7.0 m/s The pin acquires a forward velocity of 10.0 m/s. What is the new velocity of the bowling ball? (nearest hundreth)



Question 24
24.

Question 25
25.

A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Find the deceleration of the post-crash vehicles? (nearest hundreth)

Question 26
26.

Question 27
27.

A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Find the speed of the post-crash vehicles when they began to slide? (nearest hundreth)

Question 28
28.

Question 29
29.

Question 30
30.

A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Find the pre-collision speed of the truck? (nearest hundreth)

Which of the following has the largest momentum relative to the Earth's surface?
a Mack truck parked in a parking lot
a dog running down the street
the Science building on campus
a pickup truck speeding along a highway
A freight train rolls along a track with considerable momentum. If it rolls with the same speed but has twice as much mass, its momentum is
quadrupled
unchanged
doubled
zero
A rifle recoils while firing a bullet. The speed of the rifle's recoil is small because the
force against the rifle is smaller than against the bullet
momentum of the rifle is smaller
rifle has much more mass than the bullet
momentum is mainly concentrated in the bullet
A 2250 kg pickup truck has a velocity of 25 m/s to the east. What is the momentum of the truck?
90 kg m/s east
56,250 kg m/s west
56,250 kg m/s east
90 kg m/s west
An egg thrown with an initial velocity of 15 m/s comes to a full stop when hitting a wall and when hitting a sheet. The change in momentum is greater for the egg hitting the
The momentum change is the same
wall
sheet
A 4-kg ball has a momentum of 12 kg m/s. What is the ball’s speed?
48 m/s
3 m/s
12 m/s
4 m/s
The forces that act on a box are shown below. If these forces act for 10 seconds, what is the impulse delivered to the box?

200 Ns right
200 Ns left
20 Ns left
20 Ns right
A piece of putty moving with 1 kg m/s of momentum strikes and sticks to a heavy bowling ball that is initially at rest. After the putty sticks to the ball, both move with a combined momentum of
less than 1 kgm/s
1 kgm/s
more than 1 kgm/s
A karate expert executes a swift blow and breaks a cement block with her bare hand. The magnitude of the force experienced by her hand is
impossible to predict without additional information.
zero
identical to the force applied to the block
more than the force applied to the block
less than the force applied to the cement block
A 1-kg chunk of putty moving at 1 m/s collides with and sticks to a 5-kg bowling ball initially at rest. The bowling ball and putty then move with a momentum of
1 kg m/s
more than 5 kg m/s
2 kg m/s
0 kg m/s
5 kg m/s
A large metal ball is shot from a cannon with a short barrel. If the same ball were to be shot from cannon with a longer barrel, its velocity would be
less
the same
more
not enough information to determine
A 2.0-kg ball strikes a wall with a velocity of 30 m/s, and bounces back in the other direction with a velocity of 28 m/s, as shown:

What is the initial momentum of the ball?
60 kgm/s left
15 kgm/s left
60 kgm/s right
15 kgm/s right
A 2.0-kg ball strikes a wall with a velocity of 30 m/s, and bounces back in the other direction with a velocity of 28 m/s, as shown:

What is the final momentum of the ball, after it strikes the wall?
14 kgm/s left
14 kgm/s right
56 kgm/s right
56 kgm/s left
A 2.0-kg ball strikes a wall with a velocity of 30 m/s, and bounces back in the other direction with a velocity of 28 m/s, as shown:

What is the change in momentum of the ball?
116 kgm/s right
4 kgm/s right
116 kgm/s left
4 kgm/s left
What force is exerted on a 0.025 kg egg by a bed sheet if the egg hits the sheet at 4 m/s and takes 0.2 seconds to stop?

Which is the equation for impulse-change in momentum theorem?
What force is exerted on a 0.025 kg egg by a bed sheet if the egg hits the sheet at 4 m/s and takes 0.2 seconds to stop?

Which is the equation to find the force?
A 0.040 kg bullet is shot out of a 5.0 kg gun at a velocity of 2500 m/s. What is the recoil velocity of the gun?

Which is the correct equation for conservation of momentum in this situation?
A 0.040 kg bullet is shot out of a 5.0 kg gun at a velocity of 2500 m/s. What is the recoil velocity of the gun?

Which is the correct equation for finding the recoil velocity of the gun?
Jeanne rolls a 7.0 kg bowling ball down the alley for the league championship. One pin, of mass 2 kg is still standing, and the bowling ball hits it head-on with a velocity of 7.0 m/s The pin acquires a forward velocity of 10.0 m/s. What is the new velocity of the bowling ball?




Which is the correct equation for conservation of momentum in this situation?
Jeanne rolls a 7.0 kg bowling ball down the alley for the league championship. One pin, of mass 2 kg is still standing, and the bowling ball hits it head-on with a velocity of 7.0 m/s The pin acquires a forward velocity of 10.0 m/s. What is the new velocity of the bowling ball?




Which is the correct equation for finding the new velocity of the bowling ball?
A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Which equation would you use to figure out the deceleration of the post-crash vehicles?
A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Which equation would you use to figure out the speed of the post-crash vehicles when they began to slide?
A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Which is the correct equation for conservation of momentum in this situation
A 15230-kg truck collides head on with a 1550-kg parked car. The vehicles entangle together and slide a linear distance of 20.6 meters before coming to rest. Assuming a uniform coefficient of friction of 0.420 between the road surface and the vehicles, determine the pre-collision speed of the truck.

Which is the correct equation for finding the pre-collision speed of the truck?