krys120 krys120

27-04-2022
Physics

contestada

What is the kinetic energy of an 1,850.0-kg car moving at 30.0 m/s? And at 120 km/h?

Respuesta :

jsimpson11000 jsimpson11000

04-05-2022

Answer:

See below

Explanation:

For 30 m/s :

KE = 1/2 mv^2

1/2 (1850)(30^2) = 832500 J

For 120 km/hr :

120 km/hr = 33.333 m/s

KE = 1/2 1850 (33.333)^2 1027777.8 J

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