When a ball rolls down a hill, what energy conversion occurs? A. Kinetic energy to potential energy
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B. Chemical energy to kinetic energy
c. Potential energy to kinetic energy
D. Potential energy to chemical energy

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

How would a small bar magnet be oriented when placed at position x?

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?