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She slams her fist onto the calculator with 8000 j of KE. If she moved her arm at 3 m/s, what is the mass of her fist?

She slams her fist onto the calculator with 8000 j of KE. If she moved her arm at 3 m/s, what is the mass of her fist?
asked 129k views
2 votes
She slams her fist onto the calculator with 8000 j of KE. If she moved her arm at 3 m/s, what is the mass of her fist?

asked
User Rarblack
by
7.8k points

1 Answer

1 vote

Answer:

1777.7

Step-by-step explanation:

kE =0.5mv^2

8000=9/2 m

1777.7

answered
User Ldirer
by
8.4k points
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