Part B. Restricted Response Answer the following questions. Be concise but thorough in your explanations. 1) Why does the force of gravity have no effect on the magnitude of velocity of a satellite moving along a circle orbit? (1T, 1C] 2) Sketch the electric field between two oppositely charged parallel metallic plates. (1K, 1C) 3) An electron is travelling near a negatively charged metallic surface. What is the direction of the electron acceleration? (2A) 4) Particles A, B, C, and D with the same positive charge and speed are placed into a uniform magnetic field. Which particle experiences the smallest force? (2T) H v C v 1 H n A v 5) Why the linings of safety helmets are designed to compress relatively slowly? (2A)