If a ball of mass 1kg rolls over an even and plain ground,after being given 50 joules of kinetic energy,what is the balls speed in meters per second ? Friction can be neglected
A.10
B.20
C.30
D.40
E.50
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Answered by
0
the answer is option E
angelicamoore513:
Hey how did you get 50?
Answered by
2
Answer:the options are wrong or the question is wrong.
Explanation:k=1/2mv^2.so the velocity comes as 1/√10 m/s
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I was a bit confused to , I thought the answer was A
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