# If an object with a mass of #5 kg # changes speed from #5m/s# to #13 m/s#, by how much does its kinetic energy change?

##### 1 Answer

May 17, 2018

#### Explanation:

Kinetic energy is given by the formula

#"K" = 1/2\ "mv"^2#

Change in kinetic energy when there is change in velocity is

#"ΔK" = 1/2\ "m(v"^2 - "u"^2")"#