Describe an experiment which can be used to determine the velocity of sound by resonance using a fork, measuring cylinder and water. GIVING BRAINLIEST, PLEASE DON'T SPAM OR ELSE YOU WILL BE REPORTED

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two