Q1. A simple harmonic oscillator consists of a block of mass 1.80 kg attached to a spring of spring constant 107 N/m. When t = 1.00 s, the position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
what is the amplitude of the oscillations?
Q2. A converging lens has a focal length of f = 26 cm. An object is placed 39 cm from the lens. Find out the size of an image in cm if the object has a height of 5 cm. express answer with one decimal place.