What is the kinetic energy of an object moving 40m/s with a mass of 20kg?

asked Feb 10, 2019 80.4k views

2 votes

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6 votes

Answer:

$kinetic \: energy = (1)/(2) m {v}^(2) \\ (1)/(2) * 20 * 40 \\ = 10 * 40 \\ = 400joule \\ thank \: you$

Invin answered Feb 13, 2019

by Invin

5.1k points

5 votes

KE = (1/2) (mass) (speed)²

KE = (1/2) (20 kg) (40 m/s)²

KE = (1/2) (20 kg) (1,600 m²/s²)

KE = (10 kg) (1,600 m²/s²)

KE = 16,000 Joules

Soorena answered Feb 14, 2019

4.8k points

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