How fast is a 0.50 kg ball moving if it’s kinetic energy is 400 j

Question

How fast is a 0.50 kg ball moving if it’s kinetic energy is 400 j

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Verity 1 year 2021-09-01T11:36:47+00:00 1 Answers 6 views 0

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    2021-09-01T11:38:36+00:00

    Answer:

    Correct 40 m/s

    Explanation:

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