### Harmonic wave functions

Write an expression for a harmonic wave with an amplitude of 0.11 m, a wavelength of 2.5 m, and a period of 1.2 s. The wave travels to the right.

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Write an expression for a harmonic wave with an amplitude of 0.11 m, a wavelength of 2.5 m, and a period of 1.2 s. The wave travels to the right.

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Consider a cart being pulled up at incline at a constant velocity. a) Will the work done be different for the following two positions of the force probe: parallel to the surface of the incline and at a 45 degree angle to the surface? Explain. b) Does the starting point, mass of the cart, or angle of inclination of the surface

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