Andrea was watching her brother in the ocean and noticed that the waves were coming into the beach at a frequency of 0.777778 Hz. How many waves hit the beach in 27 s? Answer in units of waves.

In a longitudinal wave, what is the direction of the disturbance relative to the wave motion?

Two identical cars, one on the moon and one on the earth, have the same speed and are rounding banked turns that have the same radius r. There are two forces acting on each car, its weight mg and the normal force FN exerted by the road.

You are looking at four tall pea plants. What are their phenotypes and genotypes

Which statement correctly describes the nucleus of the atom? A: The nucleus of the atom contains the electrons. B: The nucleus of the atom is mostly empty space. C: The nucleus of the atom surrounds the center of the atom.

What can you say about the relationship between the index of refraction and the wavelength of a color?

A rock with mass m = 4.00 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 17.

On arrival at a vehicle collision, you observe a small fire in the engine compartment. A bystander is attempting to smother the fire with a jacket as you approach with an A-B-C extinguisher from your ambulance.

Gertrude writes a short story in which the main character must enter a nuclear-powered spaceship's engine room that has lost its shielding in order to prevent the engine from flooding the rest of the ship with radiation.

PV = nRT, is the a. equation of state of an ideal gas b. theorem of equipartition of energy c. second law of thermodynamics

Which conducting electricity has the most harmful effects?