barraybachey barraybachey

23-07-2020
Physics

contestada

If there are four passengers having mass of 40kg, 55kg, 60kg and 30kg, what is the kinetic energy of the car moving with 50 km/h?

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habeebh habeebh

23-07-2020

Answer:

The formular for calculating K.E = 1/2 × Mass × ( velocity )^2...

1/2 × average mass × 50^2

1/2 × 46.5 × 2500

K.E = 57812.5

Explanation:

The average mass is gotten be adding all the four masses and dividing through by 4

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