justinomodia04 justinomodia04

12-03-2021
Physics

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toy car with a mass of 3.1 KG has 60 J of kinetic energy as he drives along the street part of a restaurant what is the velocity of the car (HELP pls)

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mayamiller2000 mayamiller2000

12-03-2021

Answer:

6.22 m/s

Explanation:

m= 3.1 kg

k = 60 j

k = ( 1/2 ) mv^2

k = 0.5 × 3.1 × v^2 = 60

v^2 = 60 ÷ ( 0.5 × 3.1 )

v^2 = 38.7

v = 6.22 m/s

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