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Im confused can someone explain what I have to do

Im confused can someone explain what I have to do-example-1
User L Ja
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1 Answer

7 votes
for numbers 1 and 3 it is giving you the answers i believe

number 1 would be 20 joules of potential energy on the far left and far right point

number 3 would the (3rd) point as it says it has 20 joules of kinetic energy

sorry if this doesn’t help
User Dan Scally
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