Help please! will give brainliest to the correct answer.

question; the work one by friction force to stop a car of mass 1000 kg moves with velocity 72km/h is

a) 72 x 10³ J

b) 2 x 10⁴ J

c) 2 x 10⁵ J

d) 4 x 10⁵ J

an explanation for future reference would be appreciated^^

m=1000kg

v=72km/h=20m/s

Work = different of kinetic energy

W= ½ mv ²

W= ½ ×1000×20×20= 400000J

also written as 4×10^5 J

thank you

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