The perpendicular distance R is 10 times less than the length of a straight wire, and you use B=(μ_0 i)/2πR formula to find the magnetic field. In this case, how many percents error do you have?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Most short-period comets do not have randomly oriented orbits because