Answer:
1.5 g/cm^3
Explanation:
In the question i am assuming that wooden block of weight W floats with exactly one-half of its volume below the waterline.
Let ρ_{liquid} be the density of the unknown liquid , V= volume submerged
g= acceleration due to gravity
then
weight of block =
when the block is in water
Also,
weight of block =
dividing eq 1 by eq 2 we get
⇒
Wavelength, because of how it lengths out from the rest.
Answer:
Number of days needed = 57
Explanation:
Depth of well = 115 feet
Distance traveled in day = 3 feet up
Distance traveled in night = 1 feet down.
Total displacement in 1 day = 3 - 1 = 2 feet up
When the snail reaches 112 feet up, the next 3 feet up motion on day will make it reach the top.
After 56 days the displacement of snail is 112 feet.
On the next day it moves up by 3 feet and reaches out of well.
Number of days needed = 57
In order to create an electromagnet, you would wrap an insulated wire around a metal with ferromagnetic properties and apply electric current. Magnetic fields are made when entirely the electrons are turning in the same direction either as a natural phenomenon, in an artificially created magnet or when they are persuaded to do so by an electromagnetic field.