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Worksheetsmomentum
Total questions: 10
Worksheet time: 22mins
Name
Class
Date
1.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
2.
An object with a mass of 2000 kg at rest has what momentum?
a)
2000 kg m/sec
b)
0 kg m/sec
c)
2000 kg
d)
2000 m/sec
3.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball after the collision, the first ball stops. What is the velocity of the second ball after the collision?
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
4.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
5.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
6.
Which of the following has the greatest momentum?
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
7.
At what speed do the two blocks move after the collision?
a)
2 m/s
b)
5 m/s
c)
10 m/s
8.
How can a tennis ball and a bowling ball have the same momentum?
a)
have the same speed
b)
have different speeds
c)
one is moving backwards
d)
they can't
9.
A conservation law states
a)
the total is always the same
b)
amount before = amount after
c)
what you start with, you end with
d)
all answers are correct
10.
a constant in science would be
a)
speed on the interstate
b)
speed of light
c)
speed of snow falling
d)
class grade
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