How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the ground and onto a shelf in your closet? O A. 2.4

Question

How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the
ground and onto a shelf in your closet?
O A. 2.45 J
B. 4J
C. 39.2 J
D. 20 J

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Sapo 3 years 2021-08-28T12:53:41+00:00 1 Answers 5 views 0

Answers ( )

  1. minhkhang
    0
    2021-08-28T12:55:02+00:00
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    Answer:39.2 (B)

    Explanation:

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