How many atoms are there in this section

Assignment Help Physics
Reference no: EM13275337

1. A structural I beam is made of iron. A view of its cross-section and its dimensions is shown in the figure, where d = 2 cm, w = 29 cm, h = 30 cm and the length (not shown) of the beam is l = 1.29 m. The density of iron is 7560 kg/m3 . The atomic weight of iron is 55.85 g/mol and Avo- gadro number is NA = 6.02214x10^23 /mol.

2. How many atoms are there in this section? Answer in units of atoms.

Reference no: EM13275337

Questions Cloud

Explain dilute solution of hydrochloric acid : Solutions of chymotrypsin prepared for experimental purposes are stored in a dilute solution of hydrochloric acid as a "preservative." Explain.
What will now be the required rating of circuit breakers : The fault level at the grid connection point is 1000 MVA. What will now be the required rating of circuit breakers connected to the busbars?
How much in dividends were paid to shareholders during year : How much in dividends were paid to shareholders during the year? Assume that all dividends declared were actually paid.
Determine and plot the value of x using synthesis equation : Determine and plot the value of x[n] using the synthesis equation directly {do not use ifft()}. What is the percent difference in x[n] energy between the direct method used here and MATLAB function used in part (c).
How many atoms are there in this section : A structural I beam is made of iron. A view of its cross-section and its dimensions is shown in the figure, where d = 2 cm, w = 29 cm, h = 30 cm, How many atoms are there in this section
Depict oxygen-binding curves for crocodile hemoglobin : Draw oxygen-binding curves for crocodile hemoglobin in the presence and absence of bicarbonate. Which conditions increase the p50 value for crocodile hemoglobin? What does this tell you about the oxygen-binding affinity of hemoglobin under those c..
Estimate the wavelength of the sound wave : a plucked guitar string produces a sound wave of frequency 0.44 kHz on a day when the speed of sound is 340m/s. What is the wavelength of the sound wave
Compute the concentration of mercury vapor in air : The saturated vapor pressure of mercury is 0.0020 mmHg at 300 K and the density of air at 300 K is 1,18 g L^-1. (a) Calculate the concentration of mercury vapor in air in mil L^-1. (b) What is the number of parts per million (ppm) by mass of mercu..
Determine running impedance of motor in cartesian coordinate : A 120V, 60Hz AC induction motor is in parallel with a power factor correction capacitor. The capactior has a value of 50 micro Farads and produces a minimum line current of 2 ohms. Determine the running impedance of the motor in cartesian coordina..

Reviews

Write a Review

Physics Questions & Answers

  What is the height of the arrow above the ground

You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow above the ground once it has travelled the 43.0 m horizontally

  How much does the boat move in meters

A group of people with total mass 1500 kg stands in a boat with mass 12,000 kg at rest in frictionless water. If the whole group walks 6.5 m from bow to stern, how much does the boat move in meters

  Show that the barge floats 4cm deeper

What is the kinetic energy of a 1,500 kg car with velocity of 72.0 km/hr? How much work must be done on the car to bring it to a complete stop.

  Estimate the power radiated by the human body

Estimate the power radiated by the human body. Be sure to state the estimated values of all relevant quantities. You need only outline your calculations. How does this value compare with the average caloric intake for humans?

  What is the complete work on the crate

A factory worker pushes a 30kg crate a distance of 4.50 meters along a level floor at constant velocity by pushing it downward at an angle of 30degrees below the horizontal. The coefficient of kinetic friction between the crate and the floor is 0...

  What angle did its velocity make with the vertical

A 3.2 mass attached to a spring with a spring constant of 114 is oscillating in a vat of oil, which damps the oscillations. If the damping constant of the oil is 10kg/s, how long would it take the amplitude of the oscillations to decrease to 1.0% ..

  How long after its release does the mailbag reach the ground

When a train's velocity is 12{rm{ m/s}} eastward, raindrops that are falling vertically with respect to the earth make traces that are inclined 30.0 ^circ to vertical on windows of the train.

  Calculate the magnitude of the frictional force

An external force F, with a magnitude of 16.49 N, acts on a block of mass 1.40 kg parallel to a plane, Calculate the magnitude of the frictional force acting on the body

  Find out an expression for w in terms of v

Since the circumference of a circle of radius r is 2p r, every time the center of mass moves a distance 2p r, the object rotates a full circle (2p radians). If this happens in a time T then. Combine these equations to find out an expression for ..

  What is the oscillators maximum speed

A 300 g oscillator has a speed of 95.4 cm/s when itsdisplacement is 3.0 cm, What is the oscillator's maximum speed

  How far would the electron travel in the field

The speakers produce the same single-frequency tone in either drawing and are in phase. The speed of sound is 343 m/s. Find the single smallest frequency that would produce both constructive interference in drawing 1 and destructive interference in d..

  Is the earths rotation used as a standard of time

What type of atom has been assigned a mass in order to act as a comparison for other types of atoms, Is the Earth's rotation used as a standard of time?

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