By looking at how wiggily the bar is lol
Answer:
255 Hz
Explanation:
The beat frequency is the difference in frequency between two frequencies that are close.
Let the the unknown frequency be
.
Sounded with the 250 Hz tuning fork,


Sounded with the 270 Hz tuning fork,


The common value of
in both situations is 255 Hz.
Answer: The pressure in a liquid is different at different depths. Pressure increases as the depth increases. The pressure in a liquid is due to the weight of the column of water above. The greater pressure at the bottom would give a greater 'force per unit area' on the wall.
Explanation:
A. 14 gallons.
Scalar quantities require magnitude to describe them. They do not need direction to be described. 14 gallons is the mass of the gallons which is a scalar quantity.
Answer:
6 km./hr.
Explanation:
Because 36 and 6 are rational numbers they can divided. So I divided 36 an 6 to come up with my answer
Hope this helps.