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Fiesta28 [93]
3 years ago
14

A car has a mass of 1500 kg and a kinetic energy of 23,500 J. How fast is the car going?

Physics
1 answer:
Inessa05 [86]3 years ago
3 0

Answer:

v = 5.6 m/s

Explanation:

Given,

The mass of the car, m = 1500 kg

The kinetic energy of the car, K.E = 23,500 J

The kinetic energy of the of an object is given by the relation,

                                        K.E = ½ mv²

Substituting the given values in the equation,

                                        23,500 = ½ x 1500 x v²

                                              v² = 23500/ 750

                                                   = 31.33

                                                v  = 5.6 m/s

Hence, the K.E of the car is,   v  = 5.6 m/s

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