27 Answered Questions for the topic Period

12/05/19

#### Estimate the period of a function

How do I estimate the period of a function? Not sure where to start

07/01/19

#### Punctuation of direct speech, edge cases?

I recently learned that I have developed a consistent, but entirely wrong approach to punctuating direct speech in fiction. I am in the unenviable position of trying to relearn. Previously I wrote... more

06/20/19

#### Use semicolon or period when telling a result of an action?

If you look at these sentences, the second one is result of the first: > Alex shouts and feels pain in his leg, and he rubs the place with hand and looks at the leg. His leg swelled little bit.... more

05/18/19

#### Water wave frequency

A water wave vibrates up and down four times each second, the distance between two successive crests is 5 meters, and the height from the lowest part to the highest part of the wave is 2... more

04/23/19

03/21/19

#### Caption text punctuation: Full stops always necessary at the end?

Example caption text for a photo:> **Little Diane necklace**1a) No full stop is correct, yes?Now a longer example of caption text:> **Little Diane necklace. The photograph of the young Diane... more

03/14/19

#### Does the abbreviation for Saint in a church name require a period?

In referring to a local church, does the name "St Giles" require a period after the "St"? I was told that to add a period confuses it with the abbreviation for street.

06/06/18

#### Find each of the following:

given the Function,   f(x) = 3sin(2x-pi/4)   find each of the following:    amplitude:  phase shift: period:   show any work.

03/11/18

#### Using the information provided, calculate the period of the wave:

A transverse wave with an amplitude of 0.20 meter and wavelength of 3.0 meters travels toward the right in a medium with a speed of 4.0 meters per second. Using the information provided, calculate... more

03/11/18

#### Calculate the period of the wave:

A transverse wave with an amplitude of 0.20 meter and wavelength of 3.0 meters travels toward the right in a medium with a speed of 4.0 meters per second.   Using the information provided,... more

03/11/18

#### What is the period and speed of the wave?

A periodic wave traveling in a uniform medium has a wavelength of 0.080 meter, an amplitude of 0.040 meter and a frequency of 5.0 Hertz.   (a) Determine the period of the wave   (b) Calculate... more

11/28/17

#### Sine wave help

Find the period and frequency of a sine wave that has an angular velocity of 500 rad/s

05/01/17

#### Trigonometric Functions

Identify the amplitude, period, phase shift and vertical shift (mean value over one period) of: f(x)=−5cos(4πx−12π)+3  (π is pi)

03/21/17

#### Period, Frequency, Wavelength and Velocity

James is lying on his body board out in the surf. 12 waves pass him every minute. These waves are about 14m apart from one crest to the next and they rise 2 meters above the normal water level. a)... more

02/12/17

y=-5 sin(2x)

02/05/17

#### What size mass would you put on a spring (k = 17.6 N/m) so it would oscillate with the same period as a 0.45 m long pendulum? (Use 9.81 m/s2 for g).

Report your answer:in terms of kg. Do not include units in your answer. They will be assumed to be kg.to a precision of hundredths of a kg. Use a format like #.## in your answer.to an accuracy of... more

02/05/17

#### The period of a 4.202 m long pendulum on planet Zenix is 4.115 s. What is g on planet Zenix?

Report your answer in:in terms of m/s2. Do not include units in your answer. They will be assumed to be m/s2.to a precision of hundreths of a m/s2. Use a format like #.## in your answer.to an... more

05/18/16

#### Period and speed of pendulum?

The period of motion for a pendulum is the amount of time it takes to swing from right to left and back to right again. The period is given by the equation , where T is the period and L is the... more

01/13/16

#### Graphing Trig Functions & Inverses

Determine the Amplitude: f(x) = 5 sin (4x) a. 5 b. pi/5 c. 4 d. pi/4   Determine The Period: f(x) = -2cos(2x-90) a. 180 b.45 c. 4 d. pi/4   what is the horizontal shift for the graph of:... more

11/19/15

#### Period, Amplitude, and Midline of equation

State the period, amplitude, and mid-line of y = 7 sin(4(t + 7)) − 8

07/18/15

#### Physics: Multiple Choice: what happens to the wavelengths of the siren as measured by the observer while the police car approaches to when he goes away?

A police car is driving past an observer sitting by the side of the road, what happens to the wavelengths of the siren as measured by the observer while the police car approaches to when he goes... more

07/18/15

#### Physics: What harmonic number are these two frequencies listed.

A pop bottle style instrument is played being open at one end closed at the other, if two successive frequencies, 350 Hz and 490 Hz, are produced, what is the fundamental frequency, and what... more

07/15/15

#### Physics: amplitude, frequency, period, spring constant, max velocity and total energy

A 27.8 gram mass oscillates on the end of a spring and its motion can be described by: (1.5 )sin (21.4 t ) [here the units are standard, meters and seconds] What are the following for this system:... more

07/11/15

#### How do I calculate the number of protons and neutrons for a fictitious element when only given the atomic weight?

I have a list of fictitious elements to put into a periodic table (of my own design).  I have the atomic weight, physical state (gas, diatomic gas, hard brittle solid, ,hard w/high melting point,... more

05/21/15

#### Suppose g is a periodic function...

suppose g is a periodic function. The period of g is 24, g(3)=67, and g(8)=70. Find each function value   a) g(27) b) g(80) c) g(-16) d) g(51)

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.