Name: /20 marks Physics 20 Unit D Assessment Assignment - Version D Remember to use GRASP and show all of your work for every question! To earn full marks you need to: . Write what is given and required Write the needed formulas and rearrange if necessary Substitute into the formulas and include units . State your answer with correct sig digs Module 7: Developing Level (6 marks) 1) This is a graph of the horizontal displacement of a pendulum on Earth as a function of time. ency Displacement vs. Time for a Pendulum +1.0 m Displacement (m ) - 1.0 m 0 2.00 4.00 6,00 Time ($) a) On the graph, label the amplitude, equilibrium line, and a point where the restoring force is at a maximum. (1.5 marks) b) What is the period of the pendulum? (1.5 mark) c) Calculate the length of the pendulum on Earth