A1,000-kg car has 50,000 joules of kinetic energy. what is the speed?

mass of car= 1,000 kg

Kinetic Energy of the car =50,000

velocity = 10 m/s

The speed of the car is 10 m/s.

½mv²= KE  

½(1000)?²= 50000

500*?²= 50000

/500            /500

? ²=100

Square root  

?= 10

10 m/s is you answer

Explanation:

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