mdawg2
mdawg2
23-02-2016
Chemistry
contestada
A 4 kg rock is rolling 10 m/s. Find its kinetic energy
Respuesta :
Аноним
Аноним
24-02-2016
KE = 1/2mv^2
KE = 1/2(4)*10 m/s^2
KE = 2 * 10
KE = 20 joules
Answer: 20 joules
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