An arrow is launched at an angle of 30 degrees with an initial speed of 20.0 m/s. after 3 seconds, what will the arrow's speed be?

Mechanical waves are classified according to a. their size. b. their shape. c. how they move. d. their source.

Faraday's law of induction deals with how a magnetic flux induces an emf in a circuit. recall that magnetic flux depends on magnetic field strength and the effective area the field is passing through.

What is the relationship between the normal force and weight

g A 48.7 g clay, moving at 9.8 m/s, crashes into 1.1 kg brick that is sitting at rest on a frictionless surface. After the collision, the clay is stuck to the brick.

Difference between series and parallel circuits

What is a superconductor?

When you drive from the city to a distant farm, the temperature gets because of the?

How do a joule a watt and a Newton relate to each other

Say you want to make a sling by swinging a mass M of 1.9 kg in a horizontal circle of radius 0.042 m, using a string of length 0.042 m. You wish the mass to have a kinetic energy of 15.0 Joules when released.

List three ways that electromagnetic radiation is used to improve our everyday lives.