Answer:
Sound travels through solids and liquids at the same speed
Explanation:
Because sound needs a dencer object to travel fast and since both liquid and solids are closer than gas sound travles faster in them.
I think frequency it sounds like the correct answer but I am not completely sure if I am correct
The force pushing down is the force of Gravity. On a chair it is in perfect balance with the force pushing up (the normal force)
in terms of magnitude
FN = FG = mg
the forces are in opposite direction
hope this helps
<u>Answer:</u>
Magnitude = 6.64
Direction = 
from horizontal.
<u>Explanation:</u>
We have horizontal component of vector Ax = 5.7 and vertical component of vector Ay = 3.4.
Magnitude of vector acting perpendicularly = 
Substituting
Direction θ = 
Substituting
θ =
