Acrate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 14.0 n.
(a) what acceleration is produced?
(b) how far does the crate travel in 10.0 s?
(c) what is its speed at the end of 10.0 s?

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