What causes materials to have magnetic fields?

A 5,400 W motor is used to do work. If the motor is used for 640 s, about how much work could it do? 8.4 J 4,800 J 6,000 J 3,500,000 J

Trying to solve a crossword the clue is Of Less Than Average Height From Top To Bottom

Which one of the following is not a step in the inquiry process A. Investigate B. Classify C. Summarize D. Observe

8. __Which of these is NOT a phenotype. A. Tall B. Short C. Homozygous D. Round It is open book and I missed a week of school so idk the answer,

Why does cupping your hand around your ear improve your hearing?

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.

An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time?

How was helium first discovered? mining of the radioactive element uranium using spectral analysis of the Suns' emission spectra o hubble obtaining samples from explosions off the surface of the sun deep sea mining off the coast of Texas