14. a particle in uniform acceleration travels 100 m after starting from
rest in 10 seconds. its acceleration is
(a) 2 m/s2
(b) 4 m/s2
(c) 1 m/s2
(d) 20 m/s2

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Aballet student who learns with the of his instructor is demonstrating learning.

This is the substance(s) formed in a chemical reaction.