Answer:
The formula for the energy of motion is KE = .5 × m × v2
where KE is kinetic energy in joules,
m is mass in kilograms and
v is velocity in meters per second.
Explanation:
So in the above question
m=2.10kg
v=12.2m/s
KE=.5*2.10*(12.2)^2
K.E=.5*2.10*148.84
K.E=156.282 joules