What is the average speed of an object that travels 510 meters in 17 days? a . 30 meters/day
b. 493 meters/day
c . 527 meters/day
d . 8670 meters/day
e . none of the above

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?