An ambulance driving with velocity v/8 where v is the speed of sound, emits a siren with a frequency of. What is the frequency heard by a stationary observer toward whom the ambulance is driving?

An undersea research chamber is spherical with an external diameter of 5.50 m. The mass of the chamber, when occupied, is 87600 kg. It is anchored to the sea bottom by a cable. The density of seawater is 1025 kg/m3.

Two metal spheres are hanging from nylon threads. When you bring the spheres close to each other, they tend to attract. Based on this information alone, discuss all the possible ways that the spheres could be charged.

Traveling at 65 miles per hour how many feet can you travel in 22 minutes

A 0.1 kg beach ball hit me moving forward at 4 m/s. After hitting me, it bounced back moving at the same speed backward. What impulse acted on the beach ball? A 40 N-s B. 0.8 Ns C. 0.4 N-s D. 80 N-s

A pair of speakers on two sides of a stage are playing identical pure tones. When you stand in the center, equally distant from the two speakers, you hear the sound loud and clear.

All light waves move through a vacuum with a constant speed. True or False

A simple pendulum has a period of 1.0 s. If you take this pendulum to Mars where the acceleration of gravity is 3.8 m/s2, what will the period of the pendulum be

If f (x) = 27+1, what is f/x) when x = 3? 1

Approximately how much of Earth's water is freshwater? 1 % 3 % 97 % 50 %

How radio wave carry information?