Question

If a snowboarder going over a jump has 45,000 Jof mechanical energy and you know the snowboarder has 30,000 J of kinetic energy, how much potential energy does the snowboarder have?

Answer 1

Answer:

15,000 J of potential energy

Explanation:

Mechanical energy of an object is the sum of its potential energy and kinetic energy.

45,000  = x + 30,000

45,000 - 30,000 = x

x = 15,000

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Answer 2

ME=KE+PE

45000=30000+PE

PE=15000 J