Asample of gas has an initial volume of 4.5 l at a pressure of 754 mmhg . part a if the volume of the gas is increased to 8.5 l , what will the pressure be? express your answer using two significant figures.

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

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.

Work = force × a. work b. energy c. distance d. momentum