The truck driver is delivering boxes to a warehouse. What is the average speed of the truck, if it takes the truck driver 2.5 hours to get to the warehouse that is 75km away? A.
30 km/h

B.
187.5 km/h

C.
60 km/h

D.
-30 km/h

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

Could someone me find the answer to this problem.

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.