How many atoms are there in 1cm^3 of a solid?

Explain the mathematical equation for KVL (The voltage of a circuit through each component in that circuit is proportional to the resistance).

A prodect is defined as

What does 2NaOh mean

How does osmosis differ from diffusion

Describe the physics behind how a magnet is slowed while falling through a copper tube. If a long slit were cut along the copper tube how would the magnet behave as it falls?

What is a radio interferometer? a device for correcting chromatic aberration in radio telescopes a device for absorbing and transmitting radio waves a network of several radio telescopes wired together a radio communication network joining several

In which galaxy is our solar system located? a. milky way b. ngc 4414 c. andromeda d. small magellanic cloud

Two astronauts, of masses 60 kg and 80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved 12 m

A person suffering from anaemia gets tired

Jessica took a Mylar balloon outside on a very hot day. As she waited for the bus the balloon began to get bigger. What is the best explanation of this?