svgarmillk svgarmillk
  • 01-04-2020
  • Physics
contestada

Calculate the kinetic energy of a car with a mass of 475kg rolling down a hill at a speed of 5m/s.

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olatunbosunadeoke
olatunbosunadeoke olatunbosunadeoke
  • 02-04-2020

Answer: 5937.5 joules

Explanation:

kinetic energy of car K.E = ?

Mass of car M= 475kg

speed of car V = 5m/s

The Kinetic energy of an object is the energy possessed by the moving object, and it depends on its mass and speed.

Thus, K.E = 1/2 x mass x velocity^2

K.E = 1/2 x 475kg x (5m/s)^2

K.E = 0.5 x 475 x 25

K.E = 5937.5 joules

Thus, the kinetic energy of a car is 5937.5 joules

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