A man walking east at 1 mi/h on a moving sidewalk which is moving east at 12 mi/h. What is the mans velocity as observed by a lady standing next to the moving sidewalk? 3 mi/h east
1 mi/h west
1 mi/h east
3 mi/h west

World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

The material that keeps its new shape after it is stretched is called?

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.