vernamackay vernamackay

04-06-2020
Physics

contestada

if a 10 kg object has a kinetic energy of 20 J what is its speed and what is the formula used to calculate speed

Respuesta :

Jinduja03 Jinduja03

04-06-2020

Answer:

2 meter per second

Explanation:

kinetic energy = 1/2 m v^2

20J = 1/2 × 10 × v^2

v^2 = 4

v= 2 m/s

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