A gas cylinder of volume 0.052 m3 contains oxygen gas at a temperature of 22°C and a pressure of 2.0 × 105 Pa. Some of the oxygen in the cylinder is used and the gas pressure falls to 1.6 × 105 Pa. The temperature remains constant. Calculate the number of molecules removed from the cylinder

Three archers each fire four arrows at a target. joe’s four arrows hit at points 10 cm above, 10 cm below, 10 cm to the left, and 10 cm to the right of the center of the target. all four of moe’s arrows hit within 1 cm of a point 20 cm from the center, and flo’s four arrows hit within 1 cm of the center. the contest judge says that one of the archers is precise but not accurate, another archer is accurate but not precise, and the third archer is both accurate and precise. which description applies to which archer? explain

How would a small bar magnet be oriented when placed at position x?

What can you increase the strength of an electromagnet by