Whom or what did President Roosevelt describe as "the rattlesnakes of the Atlantic"?

U. S. Navy ships and their crews

German U-boats and their crews

Axis nations and their leaders

Japanese warplanes and their pilots

Technician A says clutch slippage can best be diagnosed with the vehicle stopped, parking brake applied, placing the transmission in 4th gear, and slowly releasing the clutch pedal to see if it stalls the engine.

Based on what you have learned in previous chapters, which of the following measurements would we use to determine which galaxies are moving toward or away from the Milky Way? A. the total luminosity of the galaxy B.

A stone is dropped from the top of a tower of height 44.1m. How long will it take to reach the ground?

Which group of people is credited for first discovering magnets?

Raising the temperature of a gas will increase its pressure if which of the following happens? a. the volume is increased, but the number of particles is constant. b. volume is constant, but the number of particles is reduced. c.

What are the steps that are important to take for your safety during an earthquake? a. stay away from walls and windows c. stay away from electrical and gas lines b. get under a desk or table d. all of the above

You have an open air column of length 1.40 m in air at 24.2 °C. What is the frequency of the third harmonic?

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.