Divers often inflate heavy duty balloons attached to salvage items on the sea floor. if a balloon is filled to a volume of 3.00 l at a pressure of 2.50 atm, what is the volume of the balloon when it reaches the surface?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

What are the dimensions of the cross section that passes through the points a, f, g, and d?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?