On march 17, 2019 Chloe Cunliffe, a senior high school student from West Seattle High School vaulted 4.48 m to earn the position of top female athlete in the United States. (Russel, 2019) (Please explain the answer to me) i. If Chloe weighed 108 pounds on the day of the jump, calculate her maximum potential energy. Show all your work including formulas, units and significant figures.

ii. Calculate Chloe's maximum velocity on her approach. Show all your work including formulas, units and significant figures.​

Energy is the ability to do work which measures what

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.

During physical science, ms. greene challenged her students to produce an energy transformation. james and jill wrapped a 4-inch nail with a coil of fifty turns of wire. they connected one end of the coil to one terminal of a knife switch. they connected the other terminal of the knife switch to the battery. finally, they connected the end of the coil to the other terminal of the battery. james held the tip of a 1-inch nail near the flat end of the 4-inch nail. jill closed the knife switch quickly and then opened it. the 1-inch nail was pulled toward the 4-inch nail. what is the best explanation of why the nail moved? a) electrical energy was converted to mechanical energy in the 1-inch nail. b) the 4-inch nail became an electromagnet and the magnetic force attracted the 1-inch nail. c) the electric current in the 4-inch nail was converted to mechanical energy in the 1-inch nail. d) the 4-inch nail had a positive charge and the 1-inch nail had a negative charge. opposites attracted.