Answer to Question #139514 in Physics for Israel Robert

Question

The equation y= 5 sin (3x-4) where y is in millimetres,x is in metres and t is in seconds, represent a a wave motion. Determine
a) Frequency (b) Period (c) speed of the wave

Answer 1

a)

$$f=\frac{4}{2\pi}=0.84\ Hz$$

b)

$$f=\frac{2\pi}{4}=1.57\ s$$

c)

$$v=(4)(0.005)=0.02\frac{m}{s}$$