Question

A 1350 kg car travels at 12 m/s. What is it's kinetic energy

Answer 1

Hello!

A 1350 kg car travels at 12 m/s. What is it's kinetic energy ?

We have the following data:

m (mass) = 1350 kg

v (velocity) = 12 m/s

KE (kinetic Energy) = ? (in Joule)

Formula to calculate kinetic energy:

`\boxed{KE = (1)/(2) *m*v^2}`

Solving:

`KE = (1)/(2) *m*v^2`

`KE = (1)/(2) *1350*12^2`

`KE = (1)/(2) *1350*144`

`KE = (194400)/(2)`

`\boxed{\boxed{KE = 97200\:Joule}}\:or\:\boxed{\boxed{KE = 97.2\:kJ}}\Longleftarrow(kinetic\:energy)\:\:\:\:\:\:\bf\blue{\checkmark}`

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