darien4411 darien4411

06-02-2020
Physics

contestada

What is the speed of a 1200 kg car moving
with a kinetic energy of 15 kJ?

Respuesta :

Chelboy Chelboy

07-02-2020

Answer:5m/s

Explanation:

Kinetic energy=ke=15kj=15x1000j=15000j

Mass=1200kg

Speed=√(2ke/m)

Speed=√(2x15000/1200)

Speed=√(30000/1200)

Speed=√(25)

Speed=5m/s

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