The human ear is most sensitive to sound that has a frequency of about 4000 Hz. Assume that the speed of sound in air is 340 m/s.

What is the wavelength of a sound heard in the air with this frequency?

A. 0.043 m

B. 0.085 m

C. 12 m

D. 340 m

In which of the following situations is light most likely to be reflected? A. when it strikes a dark-colored object B. when it strikes a shiny object C. when it travels through outer space D. when it travels through water and then through air

The type of plate boundary where two plates slide past one another.

A nerve signal travels 150 meters per second. Determine the number of kilometers that the nerve signal will travel in the same time.

Calculate the power of a motor that draws a current of 2 A when connected to a 12 volt battery.

You are directed to set up an experiment in which you drop, from shoulder height, objects with similar surface areas but different masses, timing how long it takes for each object to hit the floor.

Give three examples of situations where you want as little energy as possible to be dissipated.

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

The effects on marijuana can last up to

A ball is dropped from an initial height and allowed to bounce repeatedly. On the first bounce (one up-and-down motion), the ball reaches a height of 32 inches. On each successive bounce, the ball reaches 75% of its previous height.

An inductor with an inductance of 3.50 H and a resistance of 8.00 Ω is connected to the terminals of a battery with an emf of 4.00 V and negligible internal resistance.