Question

A 80.0-kg student climbs up a tree. The gravitational potential energy of the student at this point is 2.00 x 10(3) J. How high is the student above ground?

Answer 1

Answer on Question #71691 – Physics – Molecular Physics | Thermodynamics

A 80.0-kg student climbs up a tree. The gravitational potential energy of the student at this point is $2.00 \times 10(3)$ J. How high is the student above ground?

Solution. Let the potential energy be zero on the ground level. Then

$$mgh = E_{pot} \rightarrow h = \frac{2.00 \times 10^{3}J}{9.81 \frac{m}{s^{2}} \cdot 80.0\,kg} = 2.55\,m.$$

Answer. $2.55\,m$

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