Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

work, power, waves

QuestionAnswer
What is a wave? Vibrations in a medium.
What is medium? The material in which a wave can travel.
What is a transverse wave? When particles move perpendicular to the direction the wave is going.
What is crest? The point at which the wave is at its highest.
What is through? The point at which the wave is lowest.
What is a longitudinal wave? When particles move back and forth in the wave.
What is compression? When particles get closer in a wave while moving back and forth.
What is rarefaction? When waves get more spread out in a wave while moving back and forth.
What are mechanical waves? Waves that acquire a medium.
What are electromagnetic waves? Vibrations of electric and magnetic fields.
What is amplitude? A measure of how far particles move from there rest position.
What is wavelength? The distance from any point on a wave to the next identical point on the same wave.
What is frequency? The number of waves that pass a point in a certain number of time.
What is Hertz(Hz)? The measurement of frequency.
What is wave speed? The speed at which waves travel.
What is force? The push, pull, or exert on an object.
What is work? The force x the distance
What is power? The amount of distance of time
If a group of men apply a force of 700 Newtons to move a table 40 meters, what amount of work will they have to accomplish? 28000 Joules
A man weighing 500 Newtons gets on an elevator. The elevator lifts the person 5 meters in 6 seconds, how much power was used? 83.33 watts
What is the unit of Force? Newtons.
What is the unit for power? Watts.
What is the unit for work? Joules.
What is an example of Electromagnetic energy? Visible light, microwaves, ultra waves, x-rays, etc.
What does one Hertz(Hz) equal? 1 wave length per second.
What materials can waves travel through? Solid, Liquid, and Gas.
Created by: 345002
Popular Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards