What is a solenoid?

A a current-carrying wire with many coils

B a current-carrying wire that is straight

C a tool used to measure magnetism

D a tool used to measure current

The polar ice caps of mars is believed to consist mostly of

1. Which of the following lists minerals in order of hardness from lowest to highest on the Mohs hardness scale? A. Gypsum, apatite, topaz, feldspar, corundum B. Fingernail, penny, glass, topaz, diamond C.

Which displacement value will produce the smallest restoring force if the same spring is used in each case?

If the units of force were kilonewton, that of time millisecond and that of power kilowatt, what would be the units of mass and length?

A water skier is pulled behind a boat by a rope. The rope has a tension of 450 N and is at an angle of 21°. What is the ycomponent of the tension? ОА. 161 213 450 м 420 м

Both matter and energy can eneter and exit which of the following systems? A. open only B. both open and closed C. isolated only D. both closed and isolated

1. Find the charge if the number of electrons is 4 x 10-18

Which of the following describes resistance force?

Ursa Minor contains the pole star, Polaris, and the asterism known as the Little Dipper. From most locations in the Northern Hemisphere, all of the stars in Ursa Minor are circumpolar.

What is an organism ability to maintain a steady internal condition called