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7 February, 17:02

A plant is sitting on top of a shelf. It has energy. The plant is 3 meters off the ground and weighs 2 kg, calculate its potential

energy.

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Answers (2)
  1. 7 February, 20:42
    0
    58.8 joule

    Step-by-step explanation:

    To calculate the potential energy, we need to take note of the following;

    The formula for calculating potential energy is given as P=mgh

    where p=potential energy

    m is the mass of the object

    g is the acceleration due to gravity

    h is the height of the object above the ground

    g has a standard value define as 9.8 m/s²

    From the question given;

    mass (m) = 2kg

    height (h) = 3 meters

    We can now proceed to insert our values into the formula;

    P=mgh

    p=2 * 9.8*3

    p=58.8

    Potential energy is 58.8 joule
  2. 7 February, 20:55
    0
    Answer: The potential energy possessed by the plant is 58.86joules

    Step-by-step explanation:

    N/B. The given mass is 2kg not weight

    This problem bothers energy.

    By definition potential energy is the energy possessed by virtue of its position

    If a mass of body m is held at a height h meters above the ground

    Then potential energy

    P. E = weight of body x height

    =mgxh

    P. E = mgh

    Given data

    Mass of plant = 2kg

    Height above the ground = 3m

    Assuming g = 9.81m/s²

    P. E = 2*9.81*3

    = 58.86joules
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