Water is made to fall drop by drop on the surface of a pool at the rate 120 drops per minute. As aresult, circular ripples are formed on the surface and the distance between the third circle and theseventh circle is 60m. a) Calculate the frequency, period and wavelength. b) Deduce the speed of propagation of the waves on the water surface

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s