An object of mass 1000 kg moving at a velocity of 5 m/s on a level surface, collides with a stationary object of mass 1500 kg. Calculate the momentum of the 1000 kg object before the collision.
50%
2500 kg m/s
0%
7500 kg m/s
50%
5000 kg/s
0%
5000 kg m/s
Q.2.
In a closed system, the total momentum before an event is equal to what?
50%
2
0%
Twice the momentum after the event
50%
The total momentum after the event
0%
0
Q.3.
A 0.5 kg trolley is pushed at a velocity of 1.2 m/s into a stationary trolley of mass 1.5 kg. The two trolleys stick to each other after the impact. Calculate the velocity of the two trolleys straight after the impact assuming a closed system.
50%
0.3 m/s
0%
1.2 m/s
50%
0.6 m/s
0%
1.6 m/s
Q.4.
What is the momentum of an object which has a mass of 5 kg traveling at a speed of 2.5 m/s?
50%
10 kg m/s
50%
12.5 kg m/s
0%
15 kg m/s
0%
2 kg m/s
Q.5.
Momentum is a property of what?
33%
Computers
33%
Mobile phones
33%
Moving objects
0%
The Great Pyramid
Q.6.
A car and a truck are both traveling along a expressway at 30 m/s and 20 m/s respectively. The car has a mass of 1,200 kg and the truck has a mass of 4,500 kg. Which one requires the greater force to stop?
50%
Car
50%
Truck
0%
Both the same
0%
More details are required to answer the question
Q.7.
What is the correct formula for momentum?
33%
m = p x v
67%
p = m x v
0%
v = p x m
0%
p = 2v x m
Q.8.
What is momentum measured in?
50%
Kilograms
0%
Metres
50%
Kilogram meters per second
0%
Kilogram seconds per meter
Q.9.
A 0.5 kg trolley is pushed at a velocity of 1.2 m/s into a stationary trolley of mass 1.5 kg. The two trolleys stick to each other after the impact. Calculate the momentum of the 0.5 kg trolley before the collision.
0%
1.8 kg m/s
50%
0.6 kg m/s
0%
2.4 kg m/s
50%
0.75 kg m/s
Q.10.
An object of mass 1000 kg moving at a velocity of 5 m/s on a level surface, collides with, and becomes attached to, a stationary object of mass 1500 kg. Calculate the velocity of the two moving objects after the collision.
67%
3 m/s
33%
5 m/s
0%
2 m/s
0%
2 kg/s
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