Group 7A of the periodic table contains the?

1. Most reactive nonmetals

2. Most reactive metals

3. Least reactive nonmetals

4. Least reactive metals

You are moving a desk that has a mass of 36 kg; its acceleration is 0.5 m / s 2. What is the force being applied

A car traveling with constant speed travels 150 km in 7200s. What is the speed of the car?

A light string is wrapped around a solid cylindrical spool of radius 0.565 m and mass 1.76 kg. a 5.04 kg mass is hung from the string, causing the spool to rotate and the string to unwind.

If a metal ball suspended by a rod is at rest, which force is responsible for balancing the force due to gravity?

The Great Lakes of the United States are often covered with a sheet of ice every winter. Which best explains why this ice does not sink to the bottom?

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.