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:
[tex]\boxed{KE = \dfrac{1}{2} *m*v^2}[/tex]
Solving:
[tex]KE = \dfrac{1}{2} *m*v^2[/tex]
[tex]KE = \dfrac{1}{2} *1350*12^2[/tex]
[tex]KE = \dfrac{1}{2} *1350*144[/tex]
[tex]KE = \dfrac{194400}{2}[/tex]
[tex]\boxed{\boxed{KE = 97200\:Joule}}\:or\:\boxed{\boxed{KE = 97.2\:kJ}}\Longleftarrow(kinetic\:energy)\:\:\:\:\:\:\bf\blue{\checkmark}[/tex]
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