the resistance of a piece of silver wire is 2 ohm calculate the resistance of a constant wire of one third length and half the diameter as that of silver given that the specific resistance of constant is 30 times that of silver

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.