asked 181k views
5 votes
When only ________ acts on an object's mechanical energy is conserved.

A.) Gravity
B.) Friction
C.) Air resistance
D.) Momentum

help ASAP

asked
User Nicktar
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8.5k points

1 Answer

3 votes

Answer:

Gravity

Step-by-step explanation:

answered
User Tomas Bjerre
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