What is the value of amplitude?

  1. Use the diagram below to answer the following questions 1 to 4
  1. What is the value of amplitude?
  1. Find the wavelength of wave
  1. If the speed of the wave is 30 m/s, find the frequency of the wave.
  1. Mark any two points on the wave that are in phase

B.

  1. State the factors that affect the period of a pendulum
  1. What is simple harmonic motion?
  1. What resonance frequency?