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17-01-2019
Mathematics

contestada

A 500-kg car has 25,000 joules of kinetic energy. What is its speed?

Respuesta :

25-01-2019

(m.v^2)/ 2 = 25000
<=> 500.v^2 = 50000
<=> v^2 = 100
<=> v = 10 m/s

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