What types of matter can sound travle through?

What statement best defines work? A.) work is the time it takes to move an object once acted upon by a force. B.) work occurs when balanced forces act on an object and cause movement in the direction of these forces C.

Describe some of the most important element found on earth

There are 200 turns of wire around an electromagnet. The current in the wire is 6 amp. You want to increase the strength of the magnet to 1.5 times its present strength.

A uniform thin circular rubber band of mass M and spring constant k has an original radius R?

A sound wave traveling eastward through air causes the air molecules to (1) vibrate east and west (2) vibrate north and south (3) move eastward, only (4) move northward, only

Three particles are placed in the xy-plane. A 30 g particle is located at (3 m, 4 m), and a 40 g particle is located at (2 m, 2 m).

Your tennis ball rolls off a 0.91m tall table and hits 0.25m out from the table. What is it's time in the air? What is its vertical velocity before hitting the ground (show work)

If two forces of equal magnitude act on an object that is hinged at a pivot, the force acting farther from the pivot must produce the greater torque about the pivot.

How is conductivity related to resistance?

8. A 300g mass hangs at the end of a string. A second-string hang from the bottom of that mass and supports a 900g mass. (a) Find the tension in each string when the masses are accelerating upward at 0.700m/s2.