A permanent magnet

a. attracts all substances b. attracts only magnetic substance

c. attracts magnetic substances d. attracts some substances and repels other.

Chlorine atoms each have 17 protons, how many neutrons does each CI-37 atom have?

What pressure will 14.0 g of co exert in a 3.5 l container at 75°c?

Problem: Suppose that the rate of flow of water through a fire hose is 21.4 kg/s and the stream of water from the hose moves at 14.9 m/s. What force is exerted by such a stream

Can you make the work output of a machine greater than the work input?

A student drives her car at 54.0 km/h along a level (horizontal) curve. The combined mass of the car is 1250 kg. If the curve has a radius of 70.0 m, what centripetal force must be supplied by friction to keep the car from skidding?

Which way does wind blow, A. horizontally, B. Only from east to west, C. Only from West to east, D. vertically

If you were asked how to evaluate scientific evidence, what would you would want to include in your answer?

What caused the slope to change around 1905 and 1906?

What are sound waves

Technician A says if a system fails to alter dwell when it should, the ignition control module needs to be adjusted to correct dwell timing.