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16 February, 12:01

An 80-kg hiker climbs to the top of a tall hill and builds up 470,000 J of gravitational potential energy. How high did the hiker climb? meters

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  1. 16 February, 13:21
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    599 meters is the answer rounded to the nearest whole number and 599.489795918 meters is the complete answer

    Explanation:

    to find gravitational potential energy you multiply mass x acceleration due to gravity (always 9.8 on earth) x hight

    since we know the gravitational potential energy and want to find out the hight, we take the gravitational potential energy (470,000) and divide it by the product of acceleration due to gravity x mass (9.8 x 80)

    so how high the hiker climbed is equal to 470,000 divided by (9.8 x 80)

    hight = 470,000 / (9.8 x 80)

    hight = 470,000 / 784

    hight = 599.489795918 meters

    as for rounding, if the decimal is less than 5 you round "down" and keep the current whole number, if the decimal is 5 or greater you round "up" and add 1 to get your new number
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