Uniform wooden bar with square crosssection floats on water

Assignment Help Physics
Reference no: EM13556124

A long uniform wooden bar with square crosssection floats on water.   Show that , if the relativedensity of wood is 0.50, the bar will float with all fourfaces making an angle of 45 degrees with the water surface.  ( Hint : The bar floats in theequilibrium position for which the potential energy is a minimum.)

Reference no: EM13556124

Questions Cloud

What average force do these waves exert on the panel : A satellite 589 km above the earth's surface transmits sinusoidal electromagnetic waves of frequency 94.6 MHz uniformly in all directions, with a power of 24.0 kW. what average force do these waves exert on the panel
Two positive point charges are a fixed distance apart. : Two positive point charges are a fixed distance apart. the sume of their charges is Qt. what charge must each have in order to a) mazimize the electric force between them, and b) minimize it?
Evaluate the acceleration of the electron : An electron moves through a uniform electric field E = (2.50 i + 5.00 j) V/m and a uniform magnetic field B = (0.400 k) T. Determine the acceleration of the electron
Explain what is the mass of co2 found : The solubility of CO2 in water at 25C at 1 atm is 0.034mol/L. What is the mass of CO2 found in a 355 ml can of soda at 25 C, assuming the manufacturer used a pressure of 2.O atm of CO2 to carbonate the beverage.
Uniform wooden bar with square crosssection floats on water : A long uniform wooden bar with square crosssection floats on water. Show that , if the relativedensity of wood is 0.50, the bar will float with all fourfaces making an angle of 45 degrees with the water surface.
Evaluate the magnification of the image formed by the lens : An object is placed to the left of a convex lens and on the optical axis. evaluate the magnification of the image formed by the lens
What is the minimum amount that the company should pay : What is the minimum amount that the company should pay in order to achieve its objectives - Buckskin also has had 100,000 shares of $10 par value common stock issued and outstanding since 1998.
Explain is the world adiabatic or isothermal and why : Is the world adiabatic or isothermal and why. Is the world at constant pressure or constant volume and why.
What angle does the rope make with the horizontal : A wooden block is pulled 12 m across a frictionless surface using a rope. What angle does the rope make with the horizontal

Reviews

Write a Review

Physics Questions & Answers

  What is the angle of the second-order maximum

A diffraction grating produces a first-order maximum at an angle of 25.0 degree. What is the angle of the second-order maximum

  Find the directional angle

A pilot flies her route in two straight-line segments. The displacement vector A for the first segment has a magnitude of 242 km, find the directional angle

  Determin electric flux through the top surface of the cube

A 10 nC point charge is at the center of a 2.0m x 2.0m x 2.0 mcube. What is the electric flux through the top surface of the cube

  What are their speed and direction just after the collision

A 2150 kg truck is traveling east through an intersection at 1.5 m/s when it is hit simultaneously from the side and the rear. What are their speed and direction just after the collision

  Determine at what rate must the gases be ejected

A rocket traveling 1850 m/s away from the Earth at an altitude of 6800 km fires its rockets, at what rate must the gases be ejected

  Determine how does total resistance affect the current

Explain how to determine the total resistance of a parallel and a series circuit. How does total resistance affect the current in each type of circuit

  How far away from the dart board is the dart released

A dart is thrown horizontally with an initial speed of 16 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, How far away from the dart board is the dart released

  In which direction the boxer pulling

Three dogs are pulling on a blanket in different directions. The English shepherd is pulling north with a force of 40 N. in what direction is the boxer pulling

  Find the resistance between the ends of the welded bar

Two cylindrical bars, each with diameter of 2.30 cm, are welded together end to end. One of the original bars is copper and is 0.350 m long

  Find an expression for the linear charge density

Positive electric charge is distributed in the shape of an infinitely long insulating cylinder of radius R and volumetric charge density ?=?0(1-r/R), Find an expression for the linear charge density

  What is the cross sectional area of the coil

A coil of wire with 110 turns is wrapped in a circular shape with a radius of 29 cm. The plane of the coil is perpendicular to a magnetic field of magnitude 2.0 T. What is the cross sectional area of the coil

  Compute the acceleration of the rocket

A 132- (including all the contents) rocket has an engine that produces a constant vertical force (the thrust) of 1930. Find the acceleration of the rocket

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd