1. A wave travelling on a string has a wavelength of 0.10 m and a

frequency of 7 Hz. Calculate the speed of the wave

What is the is the 94th element of the periodic table

Which list gives the proper sequence of energy changes that occur in a hydroelectric plant? The mechanical energy of the turbine rotates the generator parts The turbine blades capture the kinetic energy of the water Electrical energy is transferred

How do the following factors affect the resistance of a wire? a. Temperature b. Length c. Diameter

Description of the earths crust

A penny is dropped from the top of the empire state building, a height of 381 meters. find the final velocity of the penny

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.

What would happen to the stratosphere if humans were to increase the amount of ozone within it?

The noise floor, also known as additive white Gaussian noise (AWGN), is a continuous noise level that appears over a wide spectrum when viewed in the frequency domain. a. Trueb. False