The shear stressstrain diagram for an alloy is shown in the figure. If a bolt having a diameter of 0.25 in. is made of this material and used in the lap joint, determine the modulus of elasticity E...

The device is used to measure a change in temperature. Bars AB and CD are made of A-36 steel and 2014-T6 aluminum alloy, respectively. When the temperature is at 75°F, ACE is in the horizontal...

The beam is constructed from three boards. If it is subjected to a shear of V = 5 kip, determine the maximum allowable spacing s of the nails used to hold the top and bottom flanges to the web. Each...

The bell crank is pinned at A and supported by a short link BC. If it is subjected to the force of 80 N, determine the principal stresses at (a) point D and (b) point E. The crank is constructed from...

The wide-flange beam is subjected to the 50-kN force. Determine the principal stresses in the beam at point A located on the web at the bottom of the upper flange. Although it is not very accurate,...

Determine the force in each member of the roof truss. State if the members are in tension or compression.Assume B is a pin and C is a roller support. H60. 60 60 30 60 B 2 m - 2 m- 2 kN 2 kN

The Howe truss is subjected to the loading shown. Determine the forces in members GF, CD, and GC. State if the members are in tension or compression. Assume all members are pin connected. 5 kN G- 5...

Determine the force developed in each member of the space truss and state if the members are in tension or compression.The crate has a weight of 150 lb. 6 ft. RC 6 ft 6 ft, B. 6 ft

Use the portal method of analysis and draw the moment diagram for column AFE. 5 k 12 ft 4 k 12 ft 15 ft-

Convert 1250 millimeters to meters.

If air has a constant specific weight of 0.075 lb/ft 3 , what pressure difference would result when driving from the base to the top of Pikes Peak, if the climb for the trip is 8400 ft?

For the system shown in Fig. 6.24, calculate (a) the volume flow rate of oil from the nozzle and (b) the pressures at A and B. Oil 3,0 m (sg = 0.85) 35-mm diameter 120-mm OD x 3.5-mm wall Flow B+ FA+...

What pressure is required above the water in Fig. 6.12 to cause the jet to rise to 28.0 ft? The water depth is 4.50 ft. h

To what height will the jet of fluid rise for the conditions shown in Fig. 6.39? Jet 2.60 m 75 mm 0.85 m

Determine the maximum power delivered to the variable resistor R shown in the circuit of Fig. 4.136. 2 Vx 10 (4 20 20 : 10 . www

Use the superposition principle to obtain v x in the circuit of Fig. 10.89 . Let v s = 50 sin 2t V and i s = 12 cos(6t + 10°) A. 20 50 mF is Vx 20 X. Vs (+1

Two ideal HN-50 linear polarizers are positioned one behind the other. What angle should their transmission axes make if an incident unpolarized 100 W/m 2 beam is to be reduced to 30.0 W/m 2 on...

Figure P.10.30 is a computer-generated Fraunhofer irradiance distribution. Describe the aperture that would give rise to such a pattern and give your reasoning in detail. Figure P.10.30

What alcohol would be obtained from treatment of each alkene in Problem 37 with aqueous sulfuric acid? Would any of these alkenes give a different product upon oxymercuration demercuration? Upon...

Give the expected products of the following reactions or reaction sequences. (a) (b) (c) H,O, A BCH-CH,CH> CH,Br

a. Predict the shapes of the following molecules i. Tetrachloromethane, CCl 4 ii. Beryllium chloride, BeCl 2 iii. Phosphorus(III) chloride. b. Draw dot-and-cross diagrams for the following molecules...

A metal ball is dropped into a tall cylinder of oil. The ball initially accelerates but soon reaches a terminal velocity. a. By considering the forces on the metal ball bearing, explain why it first...

A ball is fixed to the end of a string, which is attached to the ceiling at point P. As the drawing shows, the ball is projected downward at A with the launch speed 0 . Traveling on a circular path,...

Two small spheres each of mass 20 g hang side by side with their centres 5.00 mm apart. Calculate the gravitational attraction between the two spheres.

Prove that tanh -1 A + tanh -1 B = tanh -1 (A + B/1 + AB).

a. The wave in the shallow tank of water shown in the figure moves at 0.08 m/s towards the left. How long does it take for the wave to return to the position 3CY, but moving to the right? b. A man is...

A girl wearing a parachute jumps from a helicopter. She does not open the parachute straight away. The table shows her speed during the 9 seconds after she jumps. a. Copy and complete the table by...

Copy and complete the following table. Place a tick or a cross in each box as appropriate. monomer polymer macromolecule polysaccharide contains subunits that form branched chains contains amino...

A ship is pulled at a constant speed by two small boats, A and B, as shown. The engine of the ship does not produce any force. The tension in each cable between A and B and the ship is 4000 N. a....

This is a velocitytime graph for a vertically bouncing ball. The ball is released at A and strikes the ground at B. The ball leaves the ground at D and reaches its maximum height at E. The effects of...

In a KRC Research poll, 1002 adults were asked if they felt vulnerable to identity theft, and 53% of them said yes. Test the claim that the majority of adults feel vulnerable to identity theft.

A company makes climbing rope, which is cut to lengths of 50m with a standard deviation of 1.5m. A sample of 150 pieces of rope is measured and the results are recorded. Test, at the 5% significance...

Design a piece of art based on a magic square.

Consider the unit of a carbon nanotube projected onto a graphene sheet shown below. (a) What are the n and m values of this carbon nanotube? (b) Is this a metallic or semiconducting nanotube? (c)...

Draw a diagram (like Figure 4.6) that shows the energy flows for a planet with a twolayer atmosphere. The solar constant for the planet is S = 3,000 W/m 2 and the albedo of the planet is = 0:1. Make...

Identify the most electronegative element in each of the following compounds: a) CH 3 OCH 2 CH 2 NH 2 b) CH 2 ClCH 2 F c) CH 3 Li

Propose a plausible mechanism for the following tautomerization process: . CH CH3 ,

Draw the mechanism and predict the product of the following reaction. In this case, H 3 O + must be used as a proton source instead of water. Explain why. 1) xs MeMgBr 2) H*

Predict the major product of the following reaction. CI- AICI, CI

Draw the structure of the major product obtained when aniline is treated with each of the following reagents: (a) Excess Br 2 (b) PhCH 2 COCl, py (c) Excess methyl iodide (d) NaNO 2 and HCl followed...

The long bolt passes through the 30-mm-thick plate. If the force in the bolt shank is 8 kN, determine the average normal stress in the shank, the average shear stress along the cylindrical area of...

The linkage is made of three pin-connected A992 steel members, each having a diameter of 1¼ in. Determine the magnitude of the force P needed to displace point B 0.25 in. to the right. t - 3...

If the allowable bending stress is Ï allow = 150 MPa, determine the maximum intensity w of the uniform distributed load. -6 m 300 mm 150 mm

The floor of the office building is made of 4-in.-thick lightweight concrete. If the office floor is a slab having a length of 20 ft and width of 15 ft, determine the resultant force caused by the...

Determine the force in each member of the truss. State if the members are in tension or compression. 4 k 4 k 9 ft 2 k |C B 30 12 ft - 12 ft 12 ft

Determine the force in each member of the roof russ. State if the members are in tension or compression. 8 kN 4 kN 4 kN 4 kN 4 kN - 4 kN - | 3.5 m 4 kN 6 @ 4 m = 24 m

Determine the force in members GF, FB, and BC of the Fink truss and state if the members are in tension or compression. 600 lb 800 lb 800 lb E 60 30 60 30 D -10 ft -10 ft- -10 ft-

Solve the equations x 1 + 2x 2 - 2x 3 = 5, x 1 - x 2 + x 3 = -1, x 1 - x 2 - x 3 = 1 Using the matrix equation x = A -1 C.

Compute the pressure change required to cause a decrease in the volume of machine oil by 1.00 percent. Express the result in both psi and MPa.

Water at 40C. Appendix D gives dynamic viscosity for a variety of fluids as a function of temperature. Using this appendix, give the value of the viscosity for the following fluids

Describe the difference between an SAE 20 oil and an SAE 20W oil.

Carbon dioxide has a density of 1.964 kg/m 3 at 0C. Calculate its specific weight.

Figure P2.15 shows several hypothetical positiontime graphs. For each graph, sketch qualitatively the corresponding velocity time graph. Figure P2.15 Case 1 Case 2 Case 3

For the manometer shown in Fig. 3.28, calculate (p A - p B ). Oil (sg = 0.85) 8 in Water 33 in 12 in

An isotropic quasimonochromatic point source radiates at a rate of 100 W. What is the flux density at a distance of 1 m? What are the amplitudes of the vector E- and vector B-fields at that point?

When 2000 L/min of water flows through a circular section with an inside diameter of 300 mm that later reduces to a 150-mm diameter, calculate the average velocity of flow in each section.

Fuel oil is flowing in a 4-in Schedule 40 steel pipe at the maximum rate for which the flow is laminar. If the oil has a specific gravity of 0.895 and a dynamic viscosity of 8.3 10 -4 lb - s/ft 2 ,...

Design a problem to help other students better understand wye-delta transformations using Fig. 2.114. What value of R in the circuit of Fig. 2.114 would cause the current source to deliver 800 mW to...

Assuming that the capacitors are initially uncharged, find v o (t) in the circuit of Fig. 6.62 . (mA) A 6 F 90 is 3 F vo(t) 2 t(s)

Determine the energy loss due to a gradual enlargement from a 25 mm OD 2.0 mm wall copper hydraulic tube to a 80 mm OD 2.8 mm wall tube when the velocity of flow is 3 m/s in the smaller tube and...

Determine the energy loss that will occur if water flows from a reservoir into a pipe with a velocity of 3 m/s if the configuration of the entrance is (a) An inward-projecting pipe, (b) A...

A proposed alternate form for the heat exchanger described in Problem 10.37 is shown in Fig. 10.33. The entire flow conduit is a 3/4-in steel tube with a wall thickness of 0.065 in. the ID for this...

Find all of the 1-hazards in the given circuit. Indicate which changes are necessary to eliminate the hazards. c'

Air with a specific weight of 12.7 N/m 3 and a kinematic viscosity of 1.3 Ã 10 5 m 2 /s is flowing through a flow nozzle similar to that shown in Fig. 15.4. A manometer using water as the gage...

Compute the specific weight of propane at 12.6 psig and 85F.

Show that for a double-slit Fraunhofer pattern, if = mb, the number of bright fringes (or parts thereof) within the central diffraction maximum will be equal to 2m.

A ball rolls without slipping down the track shown in Figure P9.24, starting from rest at a height h 1 = 20 m as shown. The ball is traveling horizontally when it leaves the bottom of the track,...

Consider a simple harmonic oscillator whose position as a function of time is given by Figure P11.38. At what times in this plot is the kinetic energy a maximum? At what time(s) is the potential...

Figure P12.1 shows several snapshots of a wave pulse as it travels along a string. Estimate the speed of the wave pulse. Figure P12.1 ? (m) t = 0 0.2 x (m) 10 40 50 60 70 -0.2 0.2 _t = 1 s x (m) 10...

A wave on a Slinky has a frequency of 2.3 Hz. It takes 3.5 s to travel the length of the Slinky (0.30 m). What is the wavelength?

An electron enters a bubble chamber and produces a spiral track like that shown on the left in Figure Q20.13. The magnetic field is directed into the page, and the electron had an initial velocity of...

Refer to Fig. 5.35. The vessel shown is to be used for a special experiment in which it will float in a fluid having a specific gravity of 1.16. It is required that the top surface of the vessel is...

A moving object whose initial KE is 10 J is subject to a frictional force of 2 N that acts in the opposite direction. How far will the object move before coming to a stop?

An 800-kg car coasts down a hill 40 m high with its engine off and the drivers foot pressing on the brake pedal. At the top of the hill the cars speed is 6 m/s and at the bottom it is 20 m/s. How...

Give the product(s) of each of the following reactions. (a) (b) (c) (d) (e) NH2 CH;CCI + 2

Which of the following amino acids has a polar side chain? NH2 HANCH-CH-CH,CH-CH NH2 CHHH CH CH3

A fuel distributor supplies four liquid fuels, each of which has a different ratio of ethanol to gasoline. Five percent of the demand is for E100 (pure ethanol), 15% for E85 (85.0 volume% ethanol),...

An apple weighs 60 g and has a volume of 75 cm 3 in a refrigerator at 8 C. What is the apples density? List three intensive and two extensive properties of the apple.

For the indicated physical setup in (a), (b), and (c) in Fig. P3.11, write a process equation and the expression for work. R-410a (a) (b) (c)

The standard heat of combustion of liquid n-octane to form CO 2 and liquid water at 25C and 1 atm is H c = 5471 kJ/mol. (a) Briefly explain what that means. Your explanation may take the form When...

A motorcyclist of mass 60 kg rides a bike of mass 40 kg. As she sets off from the lights, the forward force on the bike is 200 N. Assuming the resultant force on the bike remains constant, calculate...

A cascade system is composed of two ideal refrigeration cycles, as shown in Fig. 9.28. The high temperature cycle uses R-410a. Saturated liquid leaves the condenser at 40C, and saturated vapor leaves...

Calculate the orbital speed of an artificial satellite travelling 200 km above the Earths surface. (The radius of Earth is 6.4 10 6 m and its mass is 6.0 102 4 kg.)

Several years ago, management at Tuglar Corporation established a grievance committee composed of employees who volunteered to work toward the amicable resolution of disputes between Tuglar...

Harriet McNeil, proprietor of McNeils Auto Mall, believes that it is good business for her atuomobile dealership to have more customers on the lot than can be served, as she believes this creates an...

This question is about endothermic and exothermic reactions. a. Explain the meaning of the terms endothermic and exothermic. b. (i) Draw an energy level diagram for the reaction: (ii) Is this...

In an analysis of salaries paid to sales personnel in a company, it is found that those salaries have modes of $75,000 and $95,000. Does It Make Sense? For Exercises, determine whether the statement...

Draw dot-and-cross diagrams for the following covalently bonded molecules. Show only the outer electron shells. Note that in part d the beryllium atom is electron deficient and in part e the...

A student drops a small black sphere alongside a vertical scale marked in centimetres. A number of flash photographs of the sphere are taken at 0.10 s intervals: The first photograph is taken with...

The x 2 statistic from my study was close to zero, so I rejected the null hypothesis.

A solid uniform hemisphere, of radius r, is placed onto a rough plane inclined at 45 to the horizontal. A force, P, parallel to and up the plane, is applied to the hemisphere at a point that is r/2...

Spin Cycle Architecture uses three activity pools to apply overhead to its projects. Each activity has a cost driver used to assign the overhead costs to the projects. The activities and related...

The absorption spectrum of I 2 has E 00 /hc = 15,677 cm 1 , and the onset of the continuum is at 19,735 cm 1 . The excited state dissociates to I( 2 P 3/2 ) + I( 2 P 1/2 ), which is 7589 cm 1 above...

We usually measure the densities of solids and liquids at a temperature of 25 C. Express this temperature on the Fahrenheit and Kelvin scales. Strategy There are 1.8 F for every 1.0 C. The scales do...

On a hillslope with a weathering rate of 20 microns/yr and an effective hillslope diffusivity of 0.02 m 2 /yr, what is the expected curvature of the hillslope? Plot the full profile if the summit of...

Consider an infinite 1D chain of equally spaced fluorine atoms. (a) Sketch the band structure of this chain. Include all four valence orbitals (2s, 2p x , 2p y , 2p z ) in the diagram and indicate...

Write out half equations, the cell reaction, and determine the standard potential of the following cells given standard electrode potentials E(Cu+/Cu) = +0.34 V, E(Sn*/Sn) = -0.14 V, E(Co*/Co) =...

Water is flowing into the top of a tank at a rate of $200 \mathrm{gpm}$. The tank is $18 \mathrm{in}$. in diameter and has a 3 in. diameter hole in the bottom, through which the water flows out. If...

Given the chemical species in the atmosphere and their proportions in Table 5.1, what is the mean atomic weight of atmospheric gas, in kg/mole? Use only the three dominant species: nitrogen, oxygen,...

A commonly used bedload transport formula in fluvial settings is the Meyer-Peter-Muller formula. One version of this is simply: Q=A(t b -t c ) 3/2 , where A = 0.04 (and the units of A work out such...