what is the kinetic energy of a body of mass 200 gram travelling at 30 M per second
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what is the kinetic energy of a body of mass 200 gram travelling at 30 M per second
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Answer:
90J
Explanation:
ke=1/2mv^2
m= 200g which is 0.2kg
v is 30m/s
so 1/2 * 0.2 * 30 * 30 is
90J