A person weighing 645 N climbs up a ladder to a height of 4.55 m. What is the increase in gravitational potential energy?

P.E = 2934.75

Explanation:

Potential energy can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

Where, P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Given the following data;

Weight =645

Height = 4.55

But we know that weight = mg = 645N

Substituting into the equation, we have;

Potential energy, P.E = 2934.75 Joules.

specific latent heat of fusion, lf, of a substance is defined as the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.

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