The vertical displacement y(x,t) of a horizontal string aligned along the x-axis is given by the equation

y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 s-1)t]. What are the (a) wavelength and (b) period of this wave?


(a) 1.93 m (b) 0.870 s

Physics & Space Science

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A formal, written purpose statement summarizes your website's goals and objectives.

Answer the following statement true (T) or false (F)

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On which of Jupiter's moons do scientists think there may exist an ocean covered with ice?

A. Io B. Europa C. Callisto D. Ganymede

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A ray of light strikes a thick sheet of glass (n = 1.5) at an angle of 20° with the normal. Find the angle of the refracted ray within the glass with respect to the normal

a. 31° b. 0.23° c. 37° d. 13° e. 20°

Physics & Space Science

A substance with a greater specific heat ________ has a larger heat capacity

A) always B) never C) seldom D) sometimes

Physics & Space Science