Q1. In an 8.00 km race, one runner runs at a steady 11.0 km/h and another runs at 14.3 .km/hr.How far from the finish line is the slower runner while the faster runner finishes the race?
Q2. Diego pulls a 4.3 kg sled across level snow with a force, F, of 235 N on a rope that is 35.0° above the horizontal. If the sled moves the distance of 63.1 m, how much work does Diego do?
Q3. A bucket is made from thin sheet metal. The bottom and top of the bucket have radii of 21.0 cm and 39.0 cm, respectively. The bucket is 30.0 cm high and filled with water. Where is the center of gravity?