zeinaalami08 zeinaalami08
  • 04-03-2021
  • Physics
contestada

How fast is a 90kg man running if his kinetic energy is 720 J?

Respuesta :

lolzyuh
lolzyuh lolzyuh
  • 04-03-2021
Answer:
4 m/s
Explanation:
KE=1/2mv^2
720=1/2(90)
720=45v^2
divide by 45
16= v^2
over the square root
4=v
v= 4m/s
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