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12-03-2021
English

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A .2-kilogram ball has 16 joules of kinetic energy. What is its speed?
a
4 m/s
b
12 m/s
c
10 m/s
d
16 m/s

Respuesta :

senalvidun senalvidun

12-03-2021

Answer:

kinetic energy=1/2mv²

16 =1/2×2×v²

v²=16.

v=4m/s

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