Q1. The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy?
Q2. An underwater diver sees the sun 53° above horizontal. How high is the sun above the horizon to a fisherman in a boat above the diver?
Q3. A 2.50 square loop of wire with resistance 2.10×10-2 has one edge parallel to a long straight wire. The near edge of the loop is 1.20 from the wire. The current in the wire is increasing at the rate of 170 .What is the current in loop?