tsugumi9010
tsugumi9010 tsugumi9010
  • 26-05-2020
  • Physics
contestada

A 2.80 kg mass is dropped from a height of 4.50 m. Find its kinetic energy (KE) when it reaches the ground.
Unit = J

Respuesta :

sahadahlawani
sahadahlawani sahadahlawani
  • 27-05-2020

Answer:

123.61 J

Explanation:

PE  = KE

mgh = 1/2 mv2.

(2.80)(9.81)(4.50)=123.606J

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