Which may result from an increase in friction? decreased traction
increased speed
reduced wear and tear
generation of heat

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.