bugaboocds
contestada

How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s?

a. 750 J

b. 250 J

c. 100 J

d. 1000 J

Respuesta :

emeenalqabani
The answer is the change in kinetic energy

K = 1/2 • mv^2

Change in K = (1/2 • 20 • 10^2) - (1/2 • 20 • 5^2)

Change in K = 1000 - 250 = 750J
jungkookie96

Answer:

750 J APEX Verified

Explanation:

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