Which of the following examples demonstrates rolling friction? a. between your shoes and the sidewalk as you walk
b. between your bike tires and the road as you ride
c. between a boat and the water as it sails
d. between two hands being rubbed together
* I’ll give brainliest *!

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?

If you visited mount shasta city (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27°c (81°f), what would be the air temperature at the summit of mount shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate?