Achimedes' Prinicple! HELP
Homework Statement
A rock has a volume of 5.96x10-6 m3. When it is completely submerged in a beaker of water, the water exerts a buoyant force on the rock equal to ___ Newtons.
Homework Equations
Kind of confused...
d=m/v
B= densityofwater (voulme)...
Homework Statement
A right circular cylinder has a radius of 2.36 cm and a length of 44.0 cm. Its volume is ____ cm3?
Homework Equations
V=pi*r^2*l
(i am not sure if this equation is correct because the say to use height and i am given length)
The Attempt at a Solution...
A 1.2 kg board 2.0 m long is pivoted exactly at its center. A 2.0 kg box is at one extreme end. For the board to remain balanced, a 5.6 kg box should be placed how far away from the other end
Homework Equations
mass1(.5)(2.0)= mass2 (d)
The Attempt at a Solution
.357 meters