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Thanks!
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This is true, The total energy when a body falls freely towards earth remains constant.
Answer:
1500 J
Explanation:
Apparently, we're to assume that no energy is lost to friction or other effects. Then all of the energy the train has is due to work being done on it.
1500 J of work was done on the train
Answer:
astatine
Explanation:
Sorry if this is wrong i am not a hundred percent sure.