<span>c) what is the angle (relative to the horizontal) of the balls initial velocity?
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Answer:16.3
Explanation:the
Explanation is in words
on a pic and i showed extra proof
Add different quantities of water to three potted plants
If it is in its ground state, it will be in the level 1s
The thermal efficiency is defined as follows

,
and the energy which is put into the system is

.
In your case

So

which gives an efficiency of

.