Pam currently runs on a track an hour a day, three days a week. she can increase the intensity of her runs by running in hilly areas
In physics, the power transferred per unit area is known as the intensity or flux of radiant energy, where the area is measured on a plane perpendicular to the direction of the energy's propagation. Watts per square meter (W/m2) and kilograms per square meter (kg/s3) are the units used in the SI system.
The rate of energy transfer divided by the surface area over which the energy is dispersed is known as the intensity (I) of a wave. In other words, the rate of energy flow per unit area is what we mean by intensity. The amount of energy a wave disperses over a surface in a unit of time is its intensity.
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