Which type of force could be used to pull up on a metal paper clip without

touching it?

elastic force

O

gravitational force

magnetic force

force of friction

Group 18 noble gases are inert because a. they readily form positive ions. b. they can have either a positive or a negative charge. c. their outermost energy level is missing one electron. d. their outermost energy level is full.

The trajectory of charged particles in an electric field a. must be along the electric field line always. b. must be tangential to the electric field line. c. is always circular. d. must be perpendicular to the electric field line. e.

The position-time graph of an object is found to be a straight line passing through the origin. What information about the motion of the object is provided by the graph

1. How far did she travel in total?

How does a sulfur plant work

The population in the United States in 2015 was 321 million people. It is projected to increase to 438 million people by the year 2050. If projections are true, the US population will increase % from 2015 to 2050

Waves keep their what even when they bounce of something

What's an acrostic poem for climate each line has to be written in a full sentence?

When a Lunar Module landed on the Moon, it used thrusters to slow its descent to the surface. When other spacecraft are returned to Earth, they use parachutes to slow their descent. Why wouldn't a parachute be useful on the Moon?

Why are mercury and the earths moon so cratered?