Through which one of the following mediums is the velocity of a sound wave the greatest?

a. Steel

b. Lead

c. Water

d. Air

Why is genetic stability important?

What is the acceleration of a body revolving in a circle at uniform speed? A. The acceleration is zero. B. The acceleration is directed tangentially. C. The acceleration is directed toward the center. D.

6. Contaminated rags are recommended for disposal in landfills. A) True B) False

A 2.00 m long string is vibrated 5.00 times every second to create a standing wave with 2 antinodes. 1.) what is the speed of the waves creating the standing wave? 2.) what is the fundamental frequency of the string? 3.

Which term describes the number of protons in one atom of an element

1. Strzała o masie 20 g tuż po wystrzale ma prędkość 50 m/s. Oblicz pracę wykonaną przez zawodniczkę. Ile wynosi energia potencjalna sprężystości napiętej cięciwy? 2. Na trampolinę o współczynniku sprężystości k=2 kN/m stanął zawodnik o masie 80 kg.

Two small plastic spheres between them has magnitude 0.22 N. What is the charge on each sphere is one the other? Explain whether it can be determined from the information give, whether the charges are positive or negative.

If it has enough kinetic energy, a moleculeat the surface of the Earth can escape the Earth's gravitation. The acceleration of gravity is 9.8 m/s2, and the Boltzmanns' constant is 1.38066*10-23 J/K.

True or False. Alcohol is toxic to most fruit flies, but fruit flies that metabolize alcohol quickly survive alcohol exposure better than normal metabolizers.

Aerobic exercise is exercise where oxygen is not present. Question options: True False