Asked by Rose

A meteorite weighing 1860N strikes the earth with a velocity of 45.2m/s. What is its kinetic energy? Write in SN to one decimal place.

When I plugged in (1/2)(1860N)(45.2m/s)^2, I got the answer 1.9e6, but it was incorrect. Please help. I'm really confused!
Answered by Emmanuel
1.9e8
Answered by Kelly
You need to change the 1860 N to kg by dividing it by 9.81 m/s^2
Answered by Kelly
1/2(1860N/9.81m/s^2)(45.2m/s)^2
1.94E5 J
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