High temperature gives the hydrogen atoms enough energy to overcome the electrical repulsion between the protons. Fusion requires temperatures of about 100 million Kelvin (approximately six times hotter than the sun's core).
A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force did she apply to the cart?
1 answer:
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Answer:
Explanation:
As we know by Bernoulli's principle
here we know that
also we know that
now we have