Which does not use a wheel and axle?

A doorknob,

a pencil sharpener,

a skateboard,

a rolling pin,

an eggbeater,

a saw.

If a positively charged particle moves into a magnetic field traveling in a straight line, how would you expect it's motion to change

The term atom is derived from?

Where are truss bridges located?

What causes lightning? a. thunder c. rising warm air b. an electric discharge d. air masses meeting

Describe how to calibrate a candy thermometer

Which of the following statements concerning Howard Gardner's multiple intelligences is not correct? A. Gardner is not interested in assessing levels of intelligence. B. Gardner has based his theory on research in various areas of psychology. C.

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

To describe velocity you need to know?

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.