Question |
Answer |
what is a object that a wave goes through? |
medium |
what is a wave? |
A disturbance of particles that transfer energy |
what is force? |
How much something weighs |
What is the amount of energy used to move something? |
work |
What is the efficiency of how you do work ? |
power |
what is the highest part of a transverse wave? |
crest |
what is a trough? |
the lowest part of a transverse wave |
what is a longitudinal wave? |
A wave that moves back and forth in the same direction as the wave |
what is compression? |
when particles in a longitudinal wave get close together |
what is the part of a longitudinal wave that particles are apart? |
rarefaction |
what is a wave that moves up and down? |
a transverse wave |
what are mechanical waves? |
waves that need a medium |
what are electromagnetic waves? |
waves that don't need a medium |
how far particles move from their resting point? |
amplitude |
what is wavelength? |
the distance between two identical points on a wave |
what is frequency? |
The number of waves that pass a single point on a wave |
What is frequency measured in? |
hertz (Hz) |
what is the speed a wave travels at? |
wave speed |
if some one wants to move a box that is 5,000 newtons 10 meters away, how much work would be done? |
50,000 joules |
If someone used 400 joules to move a pencil in 2 seconds, how much power was used? |
800 watts |
if the wave speed is 4 m/s and the frequency is 2 seconds, than what is wave length? |
2 meters |
is sound a longitudinal or transverse wave? |
longitudinal |
why can't you hear in space? |
because there is no medium |
what type of wave is light? |
electromagnetic |
what wave is an earthquake? |
mechanical |
what is a combination of a longitudinal and transverse waves? |
a surface wave |