A three-legged wooden bar stool made out of solid douglas

Assignment Help Physics
Reference no: EM13648149

A three-legged wooden bar stool made out of solid Douglas firhas legs that are 2.5 cm in diameter. When a 70 kg man sits on thestool, by what percent does the length of the legs decrease? Assume, for simplicity, that the stool's legs are vertical and that each bears the same load.

Reference no: EM13648149

Questions Cloud

How much energy was dissipated by air drag : During basketball parctice Shane made a jump shot, releasing a0.60-kg basketball from his hands at a height of 2.0-m above thefloor with a speed of 7.6 m/s. How much energy was dissipated by air drag
Satellite circles the earth in an orbit with a period : A 50-kg satellite circles the earth in an orbit with a period of 120 min. What minimum energy is required to change the orbit to another circular orbit with a period of 180 min?
Explain what are the concentrations of the na+ : A solution is made by mixing 25.0 mL of .20 M sodium sulfate with 50.0 mL of 0.50 M sodium sulfate. Assuming that dissociation is complete, what are the concentrations Of the Na+ and SO42- ions
Determine the density of the object and unknown liquid : A certain object has a mass in air of 0.422 kg and a mass whensubmerged in benzene (Dbenzene = 0.90 X 103 kg/m3) of 0.367 kg. Determine the density of the object and the density ofthe unknown liquid
A three-legged wooden bar stool made out of solid douglas : A three-legged wooden bar stool made out of solid Douglas firhas legs that are 2.5 cm in diameter. When a 70 kg man sits on thestool, by what percent does the length of the legs decrease?
Explain what is the half-life for the reaction : The decomposition XY is second order in XY and has a rate of 7.02 E-3 M-1. s-1 at a certain temperature. A. What is the half-life for this reaction at an initial concentration of 0.100M
How many free electrons does the wire have : A wire has a current density of 17.0 A/mm2. If Thedrift velocity is 4.0 x 10-8 m/s, how many free electrons does the wire have in a 1.0 m length
What is the magnitude of the force in the rod : Abullet of mass m = 0.010 kg andspeed v passescompletely through a pendulum bob of mass M = 1.2 kg. Thebullet emerges with a speed of v/2. What is the magnitude of the force in the rod just after the bullet emerges
Determine the potential difference across the plates : Two parallel plates having charges of equal magnitude but oppositesign are separated by 12cm. Each plate has a charge density of 36nC/m2. A proton is released from rest at the positive plate. The potential difference across the plates

Reviews

Write a Review

Physics Questions & Answers

  What is the averageacceleration of the car

Suppose that a NASCAR race car is moving tothe right with a constant velocity of +97 m/s. What is the averageacceleration of the car? Twelve seconds later,the car is halfway around the track and traveling in the oppositedirection with the same speed...

  Find what is the instantaneous power due to that force

An initially stationary 2.0 kg object accelerates horizontally and uniformly to a speed of 9 m/s in 3.3 s. What is the instantaneous power due to that force at the end of the interval

  How many moles of gas are in a balloon

How many moles of gas are in a balloon with a volume of 5.07 liters at a temperature of 298 K and a pressure of 1.11 atm

  The tuner of a radio circuit is formed by a resistance of

the tuner of a radio circuit is formed by a resistance of 400 ohms a 0.5 mh coil and a variable capacitor. if the

  How much work is done on the wheel

The angular momentum of a flywheel having a rotational inertia of 0.148 kg·m^2 about its central axis decreases from 6.70 to 0.560 kg·m^2/s in 3.50 s. How much work is done on the wheel

  What is the net upward force on an airplane wing

A 10.00kg box on a smooth, frictionless, horizontal surface experiences a downward force of 30n at an angle of 40 degrees to the horizontal. The box moves 1.50 m to the right. What was the work done by gravity.

  A cable with 170 n of tension pulls straight up on a 110

a cable with 17.0 n of tension pulls straight up on a 1.10 kg block that is initially at rest. what is the blocks speed

  What is the force exerted by the star on the planet

Astronauts discover a planet orbiting another star. The mass of the star is 8.10 x 10^30 kg, what is the force exerted by the star on the planet

  Compute what is the average field strength

A wire carrying a 29.0 A current passes between the poles of a strong magnet perpendicular to its field and experiences a 2.17 N force on the 4.00 cm of wire in the field

  Find through how many revolutions has the blade turned

An electric ceiling fan with blades of diameter 0.760m is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s. Through how many revolutions has the blade turned in this time interval

  What displacement would have been needed to get the ball

A golfer takes two putts to get his ball into the hole once he is on the green. What displacement would have been needed to get the ball into the hole on the first putt

  A carnot engine whose high-temperature reservoir is at 580

question a carnot engine whose high-temperature reservoir is at 580 k takes in 520 j of heat at this temperature in

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