The heating element of an electric oven is designed to produce 5.0 kw of heat when connected to a 220 v source. what must be the resistance of the element?

The electron configuration of nitrogen (N) is

A ball traveling with an initial momentum of 5.1 kgm/s bounces off a wall and comes back in the opposite direction with a momentum of - 4.3kgm/s. What is the change of momentum of the ball? What impulse is required to produce this change?

What is the definition of cell?

Which type of electromagnetic waves can be harmful to floridians?

What is the formula to calculate the mechanical advantage of a lever

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?