This behavior helps Betty in <u>intellectual </u>development.
B. Some of the ball’s energy is transformed to thermal energy.
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Answer:
oxygen
Explanation:
as it is in the air it can't be depleted or used up
Work = (force) x (distance)
The worker does (40N) x (4m) = 160 joules of work.
Friction eats up (27N) x (4m) = 108 joules of that energy,
generating 108 joules of heat.
The remaining (160J - 108J) = 52 joules of energy moves the box.