Convert 92*10^3km/s to miles/hr using conversion factors. Report your answer in scientific notation

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Athin nonconducting rod with a uniform distribution of positive charge q is bent into a circle of radius r. the central perpendicular axis through the ring is a z-axis, with the origin at the center of the ring. a) what is the magnitude of the electric field due to the rod at z = 0? n/c (b) what is the magnitude of the electric field due to the rod at z = infinity? n/c (c) in terms of r, at what positive value of z is that magnitude maximum? r (d) if r = 4.00 cm and q = 9.00 µc, what is the maximum magnitude? n/c