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4 July, 01:08

Two objects, a and b, are held one meter above the horizontal ground. the mass of b is twice as great as the mass of

a. if pe is the gravitational potential energy of a relative to the ground, then the gravitational potential energy of b relative to the ground is

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  1. 4 July, 01:56
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    Formula for potential energy is:

    pe = m * g * h

    Where:

    m = mass of an object

    g = gravitational acceleration

    h = height at which object is placed

    From this equation we can make conclusion that increasing mass also increases potential energy. Object b has double the mass so it has double the potential energy.

    Object a:

    pe = m * 9.81 * 1

    pe = 9.81 J

    Object b:

    pe = 2m * 9.81 * 1

    pe = 19.62 J
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