Question #190c1

1 Answer
sjc · Steve J.
Dec 21, 2017

#3.92m " "J#

Explanation:

By the conservation of energy. The stone will exchange some of its Kinetic energy as it rises to the top of the circle into Gravitational potential energy. So the difference in the kinetic energy will be the change in potential energy.

#Delta KE=mgh=m xx 9.8xx0.4#

#=3.92m " "J#

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