How many logs must unite to float

Reference no: EM13706312

Question: Three boys with mass 28, 35 and 40 Kg build a raft joining logs of 20 cm diameter and 2m of length each, in order to use it.

Part A: How many logs must unite to float so that the logs be submerged completely and flush with water?

I need help to solve the above question and consider that the wood density is 788 kg/m³.

Reference no: EM13706312

Questions Cloud

Estimate what the net charge on the shell : A cylindrical shell of radius 7.00 cm and length 2.42 m has its charge uniformly distributed on its curved surface. Find the net charge on the shell

Find the shortest distance you can walk : If you start out standing midway between the speakers, find the shortest distance you can walk toward either speaker in order to hear a minimum of sound

Class discussion on role of attention in visual perception : Facilitate a class discussion on the role of attention in visual perception. Create a discussion guide that includes 5 open-ended questions that will help facilitate the discussion. Include the desired responses. Explain the concept of inattentio..

What is the electric flux through this cubical surface : A uniform charge density of 528 nC/m3 is distributed throughout a spherical volume of radius 6.05 cm. What is the electric flux through this cubical surface

How many logs must unite to float : Three boys with mass 28, 35 and 40 Kg build a raft joining logs of 20 cm diameter and 2m of length each, in order to use it. How many logs must unite to float

How far apart are they after given time : Two airplanes leave an airport at the same time. The velocity of the first airplane is 730 m/h at a heading of 20.5 degrees. How far apart are they after 2.5h

How humans make both logical and risky decisions : Write a paper of 1,000-1,250 words in which you explain the human decision-making process. Include the following in your essay: 1.A description of how humans make both logical and risky decisions

Write the equations of the position and velocity : An object of mass 5.13kg moves on a horizontal surface without friction under the influence of a spring with constant 9.88 N/cm. Write the equations of the position, velocity and acceleration of the oscillator as a function of time

Find an expression for the maximum tension : A large box of mass M is pulled across a horizontal, frictionless surface by a horizontal rope with tension T. Find an expression for the maximum tension T max for which the small box rides on top of the large box without slipping

User Account

All Pages