Q1. The radius of a circle is measured to be (13.6 ± 0.2) m. Calculate each of the following and give the uncertainty in each value.
What is the circumference of the circle?
Q2. A 12.0 m long conveyor belt, inclined at 40.0°, is used to transport bundles of newspapers from the mailroom up to the cargo bay to be loaded on to delivery trucks. Each newspaper has the mass of 1.00 kg, and there are 26 newspapers per bundle. Conclude the power that the conveyor develops if it delivers 15 bundles per minute.