physics Flashcards
1
Q
what is the equation for speed
A
speed = distance ➗ time
2
Q
what is the equation for distance?
A
distance = speed X time
3
Q
what is the definition of amplitude
A
this is the height of a peak/ trough from the resting position (equilibrium)
4
Q
what is the definition of frequency
A
This tells you how many waves are being made every seccond
5
Q
what is sound measured in?
A
hertz (Hz)
6
Q
what are the ossicles?
A
ear bones
7
Q
what does the pinna do
A
it collects the sound
8
Q
what does the choclea do?
A
filled with luiqid that moves backwards and forwards when the stirrup pushes on it
9
Q
what is the average hearing range for humans
A
20 - 20,000 hz
10
Q
what is an echo
A
an echo is a reflection of sound
11
Q
what is the equation for time
A
distance ➗ speed
12
Q
A
