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18 May, 18:13

If the units of your answer are kg ∙ m2/s3, which of the following types of quantities could your answer be?

A. kinetic energy

B. potential energy

C. force

D. power

E. work

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Answers (2)
  1. 18 May, 18:23
    0
    D. Power

    Explanation:

    Power is defined as "time rate of change in energy". So,

    P = W/t

    P = (kgm^2/s^2) / s

    P = kgm^2/s^3

    Now,

    Units of potential Energy = units of kinetic energy = units of work = Fd = kgm^2/s^2

    Units of force = F = ma = kgm/s^2

    Hence, (D) Power is the right answer.
  2. 18 May, 18:42
    0
    D. power

    Explanation:

    kg represents mass

    (m/v) ² represents velocity squared

    Then kg·m²/s² represents mass·velocity² = kinetic energy or potential energy or work.

    kg·m²/s³ will be the rate of doing work, which is power
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