peytonwx peytonwx

21-10-2020
Physics

contestada

A car moving at 30 m/s has 900 kj of kinetic energy. What is the car’s mass?

Respuesta :

GeorgePP GeorgePP

21-10-2020

900,000 = 1/2mv^2
900,000 = 450m
Mass = 2,000kg

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