- #1

21ducks

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a. 14 J

b. 19.6 J

c. 29.4 J

d. 137 J

Now I tried using the normal Kinetic Energy KE equation KE = 1/2mv² but when I plug 7.0 in for mass, and (9.8 m/s²)(2.0m) for velocity and square it, my answer is much larger than any of the choices.

Like 4,705 so I figure I am doing something wrong.