A ray of monochromatic light having a wavelength of 4.00 x 10-7 meter in air passes from air through Lucite and then into air again.

1) Calculate the frequency of light in air.

2) Identify the color of the light.

You are exploring a newly discovered planet. The radius of the planet is 7.20 * 107 m. You suspend a lead weight from the lower end of a light string that is 4.00 m long and has mass 0.0280 kg. You measure that it takes 0.

What were the results of European colonization of central Africa? A. Africans were forced to work on plantations. B. Europeans controlled the government of central Africa. C. European countries made little economic gain from the colonies. D.

If the velocity of a car is halved the fc required to keeo it in a path of constant radius is multiplied/divided by?

Does the boat hold more weight in the regular water or the salt mixture

How much work is done by a crane that lowers 1000N of material a distance of 150

A train travels 120 km in 2 hours and 30 minutes what is the average speed

How many constellations are there?

What units are given to the right of the equals sign

Vector has a magnitude of 5.2 units and is directed east. vector has a magnitude of 4.3 units and is directed 35° west of north. by constructing vector diagrams, find the magnitudes and directions of (a) and (b) 4. (a)

Which of the following has the greatest momentum? A - Truck with a mass of 2250 kg moving at a velocity of 25m/s B - car with a mass of 121010 kg moving at a velocity of 51 m/s C - truck with a mass of six 6120 kg moving at a velocity of 10 m/s