Which of these, both of the same length, has the greater electrical resistance? O A thick copper wire.
O Athin copper wire.
O Both have the same resistance because they are made of copper.
O Both have the same resistance because they have the same length. The width of the wire doesn't matter.

Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.