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WorksheetsSolve KE and PE
Total questions: 14
Worksheet time: 16mins
Name
Class
Date
1.
What is the formula for potential energy?
a)
PE = weight x height
b)
PE = 2mv2
c)
PE = 1/2mv2
d)
PE = weight / height
2.
What is the formula for kinetic energy?
a)
KE = mgh
b)
KE = 2mv2
c)
KE = 1/2mv2
d)
KE = mv2
3.
Kinetic energy can be calculated using the formula KE = 1/2mv2. What is the kinetic energy of a bicycle that has a mass of 20 kg and is traveling at a velocity of 10 m/sec?
a)
10 J
b)
100 J
c)
1000 J
d)
10,000 J
4.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
5.
What two factors affect the amount of Kinetic energy in an object?
a)
mass and height
b)
speed and distance
c)
mass and speed
d)
color and speed
6.
What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s
a)
50 J
b)
5 J
c)
250 J
d)
25 J
7.
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
8.
A hedgehog of mass 2kg runs at a speed of 0.5 m/s. Calculate the kinetic energy.
a)
1.25 J
b)
1.00 J
c)
0.50 J
d)
0.25 J
9.
How much potential energy does a 12N book have if it is 2 meters from the ground?
a)
2.4 J
b)
12 J
c)
14 J
d)
24 J
10.
Calculate the kinetic energy when a man of mass 80 kg runs at a speed of 7 m/s
a)
280 J
b)
1,960 J
c)
22,400 J
d)
560 J
11.
Calculate the kinetic energy of an elephant when it walks at a speed of 2m/s having a mass, 2000kg.
a)
4,000 J
b)
8,000J
c)
1,000 J
d)
2,000 J
12.
You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. The ball has how much Kinetic Energy
a)
1890 J
b)
3780 J
c)
945 J
d)
31.5 J
13.
A man stops his car on top of a hill. Describe this scenario in terms of energy.
a)
High Potential Energy
b)
High Kinetic Energy
c)
It is impossible to tell
d)
No energy left
14.
How much potential energy does a rollercoaster have and the start of its track if it has a weight of 1523kg and is 15 m from the ground?
a)
101.533 J
b)
1538 J
c)
22,845 J
d)
50,000 J
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