Scientists analyze a piece of wood that was found in Jerusalem. they found that 50% of the carbon-14 was still remaining. how old was that piece of wood?

Which waves in the electromagnetic spectrum are considered low energy waves

4x + 7y = - 23 8x + 5y = - 1

What I the difference between fundamental and derived quantities?

Which type of reaction does this diagram represent? nuclear fission because an atom is splitting into two fragments nuclear fusion because the products that are produced are radioactive nuclear fission because a large amount of energy is being

What bo you nmean by ABC rule?

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.