A spring with an unknown force constant is compressed as shown. If the original length of the spring is 60cm, determine (a) the spring force constant (b) the compressive stress in the spring (c) the strain of the spring

Jack and his family go to the movies first they eat lunch at 1:30 pm it takes 40 minutes to eat then the movie then they drive 25 minutes to get to the movie theater theater at what time did the get to the theather

The possible state for an electron of an atom that is proportional to its distance to the nucleus. True or False

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.

Which states the purpose of an experiment? A.) to prove scientific law B.) to test a hypothesis C.) to communicate data D.) to randomly observe nature

According to the graph, what is the maximum age at which a 4000 Hz sound wave with an intensity of 20 dB would be heard? 55 60 65 70

An object is released from rest on a planetthat has no atmosphere. The object fallsfreely for 2.03 m in the first second. What is the magnitude of the accelerationdue to gravity on the planet?

Properties of elements within a ... on the periodic table change in a predictable way from one side of the table to the other

Two cards are drawn at random with replacement. Find P (not blue, then pink). (Remember, percent is a fraction with 100 in the denominator.)

A car dropped from a height of 44 meters fall to a height of zero meters. How fast will the car be traveling as it hits the ground? Assume air resistance is negligible (show all work)

A rock dropped from a 20 meter bridge falls into the river below. How long did it take to reach the water? What velocity did it hit the water with.