gakolgo4 gakolgo4

25-02-2021
Physics

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calculate the kinetic energy of a car of mass 1.0*10^3kg moving with a velocity of 108km/h

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mariazahra22 mariazahra22

25-02-2021

Answer:

450000 kg m/s

Explanation:

convert 108km/h to m/s

1km=100m

1h=(60×60)s = 3600s

108km/h= (108×1000)÷3600

=30m/s

K.E =1/2mv^2

=1/2(1×10^3)(30^2)

= 1/2 × 1000 × 900

= 450000 kg m/s

this should be your answer, hope I was able to help.

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