An electric motor uses which of the following to convert electrical energy into mechanical energy?

electromagnet

battery

generator

transformer

When is the average velocity equal to the instantaneous velocity

A car travels at uniform acceleration over a distance of 440.0 m. Its initial velocity is 11.0 m/s. What is its final velocity after 20.0 s? 207.0 m/s 11.0 m/s 22.0 m/s 33.0 m/s

What occurs when a part of your body is subjected to extreme or constant pressure, such as from a sharp or hard object.

Cual es es el carril que mas favorece a los corredores de los 100 metros planos y por que

Can eggs get fertilized without sperm

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is

How would an unbalanced chemical equation convey misleading information about what took place during a chemical reaction?

A car rounds a 75-m radius curve at a constant speed of 18 m/s. a ball is suspended by a string from the ceiling the car and moves with the car. the angle between the string and the vertical is:

Emission of light from an atom occurs when an electron