Two tuning forks are played at the same time. One has a frequency of 176 Hz and the other is 178 Hz. How many beats per second are heard?

In isotopes does anything happen to the electron number. Explain.

What is a pulleys purpose

Which type of reaction is Mg + S → MgS?

Where do the magnetic fields of atoms line up

What is the total distance, side to side, that the top of the building moves during such an oscillation? The New England Merchants Bank Building in Boston is 152 m high. On windy days it sways with a frequency of 0.

Un móvil parte del reposo y, al cabo de 5 s, alcanza una velocidad de 5 m/s; a continuación, se mantiene con esa velocidad durante 4 s, y en ese momento frena uniformemente y se detiene en 3 s.

A 2.0-kilogram mass is located 3.0 meters above the surface of Earth. What is the magnitude of Earth's gravitational field strength at this location? (1) 4.9 N/kg (3) 9.8 N/kg (2) 2.0 N/kg (4) 20. N/kg

How long did the astronauts stay on the moon?

Brenda is standing on the beach; the sea is choppy. she observes that the crests of distant waves appear not only smaller, but also closer together than do the crests of waves nearer the beach. this example illustrates a depth cue known as:

If two waves in the same space interfere completely destructively, which of the following occurs? A. The amplitude decreases. B. The amplitude increases. C. The wave speed increases. D. The wave speed decreases.