Answer:
Useful Work = 899.8 J
Explanation:
Efficiency =
Useful Work =
Useful Work =
Useful Work = 899.8 J
Therefore the amount of useful work done out of total work of 1100 J is 899.8 J by the pulley.
Answer:
All of the above
Explanation:
To ensure the ball go to where we expected it go
Answer:
Probably float, but then sink after a while
Explanation:
im not an expert about these topics but I think it will float for a while until the water soaks into the wood causing the wooden cube to sink. Sorry if it's wrong, just what I think
Hello,
<span>Batteries have three parts, an anode (-),
a cathode (+), and the electrolyte. The cathode and anode (the positive
and negative sides at either end of a traditional battery) are hooked up to an electrical circuit. The chemical reactions in the battery causes a build up of electrons at the anode.
Hope this helps.
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