Which of the following describes a transfer of energy through work? A student carries a heavy backpack one km O A laboratory bur

Question

Which of the following describes a transfer of energy through work?
A student carries a heavy backpack one km
O A laboratory burner is used to heat 250 ml of water to boiling,
O A woman pushes a luggage cart in an airport over a distance of 100 m
O A man pushes on a large piece of furniture for 15 min, but it does not move.

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Kiệt Gia 5 months 2021-08-19T08:54:05+00:00 1 Answers 0 views 0

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    2021-08-19T08:55:11+00:00

    C the answer is C this is the correct answer

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )