An electron follows a helical path in a uniform magnetic field of magnitude 0.340 t. the pitch of the path is 6.00 µm, and the magnitude of the magnetic force on the electron is 1.85 10-15n. what is the electron's speed?

You can decrease the resistance of a length of wire by

A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology