Saturday
April 19, 2014

Homework Help: Physics

Posted by Anonymous on Sunday, September 18, 2011 at 11:35pm.

I need someone to go over my answers please, I was haveing trouble on these three. If I got it wrong will you tell me how I should solve it with formulas please.

What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s.
B) 64 m/s.
C) 128 m/s.
D) 640 m/s.
I think its a

A string on a guitar is 0.4 m long and produces 360 Hz as its fundamental tone. If you press on the string so that you reduce its free length to 0.2 m, what tone will it produce?

A) 270 Hz.
B) 480 Hz.
C) 540 Hz.
D) 720 Hz.
I think it is D

You have a tuning fork that produces a frequency of 512 Hz in air. You submerge it in the swimming pool and strike it against the wall underwater. The speed of sound in water is 1500 m/s. What will the resulting frequency and wavelength be?

A) 740 Hz, 3.41 m
B) 740 Hz, 0.773 m
C) 512 Hz, 3.41 m
D) 512 Hz, 2.93 m

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - I need someone to check and go over my answers to make sure they are ...
Math - I need someone to check and go over my answers to make sure they are ...
adult education - I need help with someone to go over my eassy with me can ...
Grade 12 Physics - CAN SOMEONE PLEASE HELP ME WITH MY QUESTION I AM REALLY STUCK...
math - I need the answers to the why did the banana go out with the prune ...
Socials-Please Help - Can someone please go over my posts quickly, I was waiting...
Science-Space Exploration - Could someone please have a few moments to go ...
geography - i need all the answers to pigskin geography week#10 i have looked ...
Help, Math 8th grade!!!!! - 14. Triangle ABC has coordinates A(1, 4); B(3, 2); ...
...English... - For someone to struggle for freedom (any sorts of freedom), do ...

Search
Members