The answer is c: <span>1960 J
</span>Potential Energy :
<span>PE = m x g x h = 40*9.8*5=1960
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Answer:
The right answer is ball b
Explanation:
I hope it is helpful for you
because when ball b knocking bricks over than it will not able to come back
The solar UV reaches the equator, so... 95 of the <span>percent is UVA and 5 percent is UVB. It reaches Earth's surface because the ozone</span> molecular oxygen is in the upper <span>atmosphere it completely asorb the UV waves...
learned this in my class.. Hope it helps. :)</span><span>
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What are the statements?? I need to know the statements so i can help you.
(You can message me the statements or comment them. I will try and help you as soon as possible :)! )
I need a pic so I can give you an answer