Saturday
August 30, 2014

Homework Help: Physical Science

Posted by Anonymous on Sunday, September 18, 2011 at 10:34pm.

I need someone to go over and correct my answers please, I was haveing trouble on these three.

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

I Think it is D

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - I need someone to go over my answers please, I was haveing trouble ...
Physical science - A wave travels along a string at a speed of 1,5m 1s.if the ...
Sounds - Seriously, I would love to know the answer to this question, will ...
AP Physic - Hi there I am having a lot of trouble trying to figure out this ...
physical science - A disturbance sends ripples across water in a tub. These ...
Science - 1. Compare the two light waves above. Which wave would produce the ...
Please help check physical science! - Please help check my answers I really want...
Science - Which type of seismic wave causes rock particles to move in the same ...
Physics - A sine wave is traveling to the right on a cord. The lighter line in ...
Science - When a sound wave passes from air into a solid object, which of the ...

Search
Members