A piece of news published before a rival newspaper can publish it is called a (n).

A boat floats up and down with a time period of 2 seconds as the wave passes under it. What is the frequency?

What best explains why a person can become sunburned by spending too much time at the beach? Sunlight is an electromagnetic wave that gains energy as it travels through air to reach the person.

If a boulder has a mass of 50 kg and a potential energy of 490 j what is the height of the boulder

What is the intermingling of one substance within another

1. How does changing the voltage in a circuit affect the current in the circuit? 2. What is the impact of adding more light bulbs in series? 3. In the series circuit, is the current constant throughout the circuit, or does it vary?

Describe a situation in which different units of measure could cause confusion.

Which of the following lists the stars in order from least density to greatest density? A. white dwarf, neutron star, main sequence star, giant B. giant, main sequence star, white dwarf, neutron star C.

When Dr. Hewitt immerses an object in water the second time and catches the water that is displaced by the object, how does the weight lost by the object compare to the weight of the water displaced?

How can you use the newton's second law to find force?

Analyze what happens to the air pressure as you increase in the altitude. How might this affect athletes who compete at higher altitudes?