Kinetic energy is defined to be the energy that an object possesses simply by being in motion. The formula used to calculate the kinetic energy,
k
kk, in joules
(
J
)
(J)left parenthesis, start text, J, end text, right parenthesis, of an object is shown above, where
m
mm stands for the mass of the object in kilograms
(
kg
)
(kg)left parenthesis, start text, k, g, end text, right parenthesis, and
v
vv for its velocity in meters per second
(
m
s
)
(
s
m

)left parenthesis, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction, right parenthesis. If a
650

kg
650kg650, start text, k, g, end text object has a kinetic energy of approximately
100
,
000

J
100,000J100, comma, 000, start text, J, end text, at what speed is the object moving?