A horizontal board weighing

Assignment Help Physics
Reference no: EM13565257

A horizontal board weighing 205.0 N is supported at points A and B in the figure below. The plank servesas a platform for a painter, who weighs 604.5 N. Find the maximum distance D, suchthat the plank will not tip, no matter where the painter stands.(Let L = 4.20 m.)

Reference no: EM13565257

Questions Cloud

What is meant by this experssion : One terminal of a car battery is said to be connected to "ground" since it is not really connected to the ground. What is meant by this experssion
Determine the acceleration and net force of the swimmer : A person swims east to west across a river that is 30 meters wide.The person swims westward (compared to the water) at constant speedof 3 m/s. The river flows south at a steady speed of 5 m/s. Notethatm even though the person is swimming west comp..
State different gases at standard temperature and pressure : Three identical flasks contain three different gases at standard temperature and pressure. Flask A contains CH4, flask B contains CO2, flask C contains N2. Which flask contains the largest number of molecules
Explain what is the final temperature of the gas : The volume of 350. mL of gas at 25C is decreased to 125 mL at constant pressure. What is the final temperature of the gas
A horizontal board weighing : A horizontal board weighing 205.0 N is supported at points A and B in the figure below. The plank servesas a platform for a painter, who weighs 604.5 N. Find the maximum distance D, suchthat the plank will not tip, no matter where the painter stands.
Small organelles containing newly synthesized proteins : Within cells, small organelles containing newly synthesized proteins are transported along microtubules by tiny molecular motors called kinesins. What force does a kinesin molecule need to deliver in order to accelerate an organelle with mass 0.01..
Explain the pressure of the sample unloaded in urbana : What was the pressure of the sample when it was unloaded in Urbana the next day and the temperature was a typical 31.7oC
Which arrows produce a bigger impulse on the target : An archer shoots arrows at a target. Some of the arrows stick inthe target, while others bounce off. Assuming that the masses ofthe arrows and the velocities of the arrows are the same, whicharrows produce a bigger impulse on the target?
Explain consequence occur and equilibrium is established : After all reactions of consequence occur and equilibrium is established, solubility for CaCO3 in this system is much less than solubility for CaCO3 in water even though this system is considerably more acidic than the CaCO3/water system.

Reviews

Write a Review

Physics Questions & Answers

  Determine how wide is the aperture

A point source of light illuminates an aperture 2.00 away. A 15.0 -wide bright patch of light appears on a screen 2.00 behind the aperture. How wide is the aperture

  Evaluate the tension in the cable below the worker

A cable is lifting a construction worker and a crate, asthe drawing shows. The weights of the worker and crate are915 and 1500 N, respectively. What is the tension in the cable below the worker

  Obtain the index of refraction of the material

A sheet of an unknown material that is 1.223 +/-.003 micrometers thick is suspended in air. What is the index of refraction of the material

  What is the number of moles in the gass sample

A sample of a gas occupies 5.25 m^3 at an absolute pressure of 1.00atm & temp of 20 degrees C: what is the number of moles in the gass sample

  How to maintain a constant acceleration

Once free of this area, it speeds up to 13 m/s in 8 {rm s}. At the edge of town, driver again accelerates, with the same acceleration, for another 16 {rm s} to reach a higher cruising speed.

  How long is the block in contact with the spring

A 1.59 kg block slides on a frictionless, horizontal surface with an speed of 1.54 m/sec. How long is the block in contact with the spring before it comes to rest

  What is the difference between the pressures

Water flows out of a shower in a typical house at a rate of 20 liters/min. what is the difference between the pressure in the tank and atmospheric pressure

  Determine the number of times that the wheel rotates

Under the assumption that the actual acceleration is constant determine the number of times that the wheel rotates in the interval from the initial time to the final time.

  Compute the critical angle for liquid when surrounded by air

A beam of light is incident from air on the surface of a liquid. find the critical angle for the liquid when surrounded by air

  What thrust does the engine develop at lift off

A rocket has a total mass of 1.00 x 105Kg and a burnout mass of 1.00 x 104Kg, including engines, shell, and payload. What thrust does the engine develop at lift off

  Compute the temperature of the source

A certain light source is found to emit radiation whose peak value has a frequency of 1.83E+15 Hz. Calculate the temperature of the source

  Estimate the speed of the bullet

A 12 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. estimate the speed of the bullet

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