kaylynnmarie70
kaylynnmarie70 kaylynnmarie70
  • 22-09-2020
  • Physics
contestada

Calculate the kinetic energy of a 5.0kg object moving at 4.0 m/s

Respuesta :

Stephen46
Stephen46 Stephen46
  • 26-09-2020

Answer:

The answer is

40 J

Explanation:

The kinetic energy of an object given it's mass and velocity can be found by using the formula

[tex]KE = \frac{1}{2} m {v}^{2} [/tex]

where

m is the mass

v is the velocity

From the question

m = 5 kg

v = 4 m/s

The kinetic energy is

[tex]KE = \frac{1}{2} \times 5 \times {4}^{2} \\ = \frac{1}{2} \times 5 \times 16 \\ = 5 \times 8[/tex]

We have the final answer as

40 J

Hope this helps you

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