What four regions of the electromagnetic spectrum

When a 440-Hz tuning fork and a piano key are struck together, five beats are heard. If the pitch of the note on the piano is higher than the tuning fork, what is the frequency of the note? 440 Hz 445 Hz 435 Hz 435 or 445 Hz

This is a term use to describe an ecological community in which moisture and temperature are high

Lina is late to science class and misses the very beginning of notes for the day. These are the notes that Lina did copy down: - Found within galaxies - Have at least 1 star at the center - Have objects orbiting the star - Planets - Moons -

In the cells of the human body oxygen molecules are used directly in a process that?

How do we find euphoria ...

A pendulum swings with amplitude. 02 m and period of 2 s what is its maximum speed

What bone cells respond to stress?

What are two ways that convention currents in the ocean distribute the suns energy?

A 535 kg roller coaster car began at rest at the top of a 93.0 m hill. Now it is at the top of the first loop-de-loop. This roller coaster's track is nearly frictionless, so resistance can be ignored. Using g = 9.

A bulldozer does 45,000 joules of work to push a boulder a distance of 30 meters. How much force is applied to push the?