A simple wave motion is represented by y = 5 sin ⁡ 4 π t + 3 cos ⁡ 4 π t . Its amplitude is

Step-by-step solution

y = 5 sin ⁡ 4 π t + 3 cos ⁡ 4 π t y = 5 sin ⁡ 4 π t + 5 3 cos ⁡ 4 π t A = A 1 2 + A 2 2 A = 5 2 + 5 3 2 = 25 + 75 = 100 A = 10