An empty hollow metal sphere has a potential of + 130 V with respect to ground (defined to be at V = 0) and has a charge of 1.8 10-9 C. Find the electric potential at the center of the sphere.

How are step-up transformers used in the transmission of electrical energy? A They decrease the voltage before it leaves a power plant. B They increase the voltage for efficient long-distance transmission.

What are most fossils discovered in

What is a resultant vectors direction?

An area of 1.00 x 10^2cm^2 is how many square meter

A trebuchet wasa hurling machine builtto attackthe walls of a castle under siege. A large stone could be hurled against a wall to break apart the wall. The machine was not placed near the wall because then arrows could reach itfrom the castle wall.

The grounded conductor and the grounding conductor are one and the same conductor and perform the same function.

Summarize Newton's First Law

13. How is 0.00069 written in scientific notation? A. 69 x 10-5 B. 6.9 x 104 C. 0.69 x 10-3 D. 6.9 x 10-4

A 1300 kg sports car accelerates from rest to 95 km/h in 7.4 s. What is the average power delivered by the engine?.

Two children playing on a frictionless garden gate invent a new game called "gate". The idea is that they will get on opposite sides of the gate and each push such that the gate does not move.