neginyadegari92 neginyadegari92

10-02-2022
Physics

contestada

Calculate the speed of a 5 kg object that possesses 20 J of kinetic energy KE=1/2
mv2
2.83 m/s/s
2.83 m/s
2 m/s
4 m/s

Respuesta :

zsm2800 zsm2800

22-02-2022

Answer:

2.83 m/s

Explanation:

m = 5 kg,

KE = 20 J

KE = mv^2/2

20 = 5*v^2/2

5*v^2 = 40

v^2 = 8

v = [tex]\sqrt{8}[/tex] = 2.83 m/s

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