To make a educational guess based on the your observations
<span>Raj is trying to make a diagram to show what he has learned about nuclear fusion.
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Sowers has spent her career fighting for gender equality and it passionate about it .
No. Mechanical energy is not conserved. There's quite a bit of friction on the slide. So some of the potential energy is lost to heat on the way down, and the child arrives at the bottom with hot pants and less kinetic energy than you might expect.
Answer:
The answer is A Ruler and Balance
Explanation:
