06-07-2014
Physics

Answered

A source of wave produces 20 crest sand 20 troughs in 0.4 sec. Find the frequency of the wave.

Answer :

06-07-2014

1 whole wave is 1 crest and 1 trough.

20 crests and 20 troughs is 20 whole waves.

20 waves / 0.4 seconds = 50 waves per second.

Frequency = 50 Hz

Answer Link

Other Questions

_____ is the belief that people should be as free as possible from government restraints. a. Nationalism b. Monoculturalism c. Industrial capitalism d. Liberal

write -0.14 as a fraction or mixed number in simplest form

what is 92/99 written in the simplest form?

(10x^6 + 8x^4) / 2x^2

simplify: -3(4×-4) 7x(3+4)

state the degree and leading coefficient of each polynomial in one variable. If it is not a polynomial in one variable, explain why. Need help 1. −6x^6−4x^5+

find the cube root of 740

The Three-fifths compromise resulted in...

What is an ion? in chemistry

If there are 400 cubic centimeters of a chemical in 1 liter of solution, how many cubic centimeters of water must be added to dilute it to a 25% solution?