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icen
Answers (3)
Ah, for ppl who got 9/10 check the last question.. u might've clicked potential energy instead of work-
who* not he lol
Just for ppl he need conformation the answers r right A- the formula is 1/2 mass x speed^2, so it would be 30*30^2 = 27000j so thats how A is correct. B- Is pretty simple, the train has more mass so it has more kinetic energy. C- If you ever biked in your