Q1. Sunil walks 0.80 km in a direction 60.0 west of north, then goes 0.50 km due west. What is the magnitude his displacement?
Q2. A piece of wire with mass per unit length 70 runs parallel at right angles to a horizontal magnetic field. A 5.70 current in the wire results in its being suspended against gravity.
Q3. Blocks with masses of 4.0, 8.0, and 9.0 are lined up in a row on a frictionless table. All three are pushed forward by a 16 force applied to the 4.0 block. How much force does the 8.0 block exert on the 8.0 block?