Wednesday

April 16, 2014

April 16, 2014

Posted by **Hannah** on Friday, December 18, 2009 at 10:33pm.

0.5 Seconds

2 Seconds

I think the answer is 2. Am I correct?

2) The period of a 440 Hertz sound wave is ___ seconds.

1/440

440

I think the answer is 440. Am I correct?

- Physics -
**drwls**, Saturday, December 19, 2009 at 1:36am1) You are correct

2) No. 440 Hz means 440 cycles per second. Each cycle lasts 1/440 second.

**Related Questions**

Science - 1. A girl on a playground swing makes a complete to-and-fro swing each...

Vibration and Waves - 1. A girl on a playground swing makes a complete to-and-...

algebra - Time to swing. The period T (time in seconds for one complete cycle) ...

physics - A child swings on a playground swing. How many times does the child ...

math - The period T (time in seconds for one complete cycle) of a simple ...

math - The formula T=2*pi*sqrt[L/g] gives the period of a pendulum of length l ...

Physics - A 21-kg child swings on a playground swing 3.4 m long. What is the ...

math - The period T (time in seconds for one completecycle) of a simple pendulum...

math - A pendulum swings through an angle of 14 degrees each second. If the ...

math - The formula T=2*pi*sqrt[L/32] gives the period of a pendulum of length l...