Main Desktop
Lessons Desktop
Review Desktop
Lab Desktop
Chart Desktop
Search
6.
A 100. kg football player is running at a constant 5.0 m/s. What is his kinetic energy?
A.
2.5 x 10
2
J
KE = 1/2 mv
2
= 0.5 x 100. kg x (5.0 m/s)
2
KE = 1.3 x 10
3
kg m
2
s
-2
= 1.3 x 10
3
J
The Correct Answer is C.
B.
5.0 x 10
2
J
C.
1.3 x 10
3
J
D.
2.5 x 10
3
J
