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Grade: 12th pass

                        

An 8000-N car is traveling at 12 m/s along a horizontal road when the brakes are applied. The car skids to a stop in 4.0 s. How much kinetic energy does the car lose in this time?

5 months ago

Answers : (2)

Vikas TU
12276 Points
							
Dear student 
W = mg 
K = mv^2 /2 = Wv^2 /2g 
K = 8000 *12^2 /(2*9.8)
= 59 Kj 
Hope this will help 
Good Luck 
5 months ago
Yashraj
264 Points
							
final kinetic energy is 0
initial kinetic energy is 1/2mv2
initial kinetic energy is 59 kilojoule
hope this help
5 months ago
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