a) Tritium has a half-life of 12.5 y against beta decay. Determine fraction of a sample which will remain undecayed after 25 y. b) The half-life of Na-24 is 15.0 h. Find time to decay for 80 percent of a sample of this nuclide.

Q: Q2/ A force P = 1 KN applied to a right bar suspended by three wires, as shown below. all wires are…

A:

Q: A garden lawn spreader is powered by the wheels. The wheels are connected to the spreader by a set…

A: The velocity of the wheel is .The radius of the wheel is .The diameter of the gear 1 is .The…

Q: Question 3: Laplace Transforms A = 4 B - 7 C=7 D-2 A heat exchanger warms a fluid flowing through a…

A:

Q: ease consider steam at 500 kPa and 300 C. Please determine a. a and g in kJ/kg. b. vR in ce/gm.

A:

Q: find only the following What is the total heat transfer to/from the building?

A: Given: Area of the roof→Ar=8×12=96 m2 Area of east wall and west wall→Ae=Aw=4×8=32 m2 Area of the…

Q: bar? What is the angle of twist between the ends? . If the allowable shear stress is 6200 psi and…

A:

Q: How many wind turbines are required to replace energy provide by a power plant on campus?

A:

Q: SHOW COMPLETE SOLUTION PLS NOTE: THE ANSWER IS SHOWN IN THE PICTURE

A:

Q: A luge and its rider, with a total mass of 85 kg, emerge from a downhill track onto a horizontal…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 3. Locate (calculate) the X-X and Y-Y centroidal axes for the area shown. Make sure to draw the…

A:

Q: 16-19. The vacuum cleaner's armature shaft S rotates with an angular acceleration of a - 4a4 rad/s?,…

A:

Q: A 2 ounce bullet is fired with a velocity of 1000 f/s at 0=10°into a 20 lb square panel with sides b…

A: Given:-Weight of bullet=2 ounceInitial velocity=1000 ft/sθ=10°Weight of plate=20 lbb=6 inchh=4…

Q: 20N A wrench in the horizonta position is locked around a pipe at its left end. Through the pipe…

A:

Q: METHOD OF JOINTS Determine the forces in the members of the roof truss shown. Indicate whether the…

A:

Q: Find the tensile force in rope AB. TAB = ? N Find the horizontal component of the reaction force at…

A:

Q: Take P₁ = 7 kip and P₂ = 3.5 kip (Figure 1) Figure K 1 of 1 Part A Determine the absolute maximum…

A:

Q: A mass weighing 4 pounds is attached to a spring whose constant is 2 lb/ft. The medium offers a…

A:

Q: 1. Steel tape used in a tape measure has a thickness of 0.0065 in. If the allowable stress is 68…

A: We can use the calculation for the stress in a curved beam to estimate the smallest spool diameter…

Q: ood day. I am trying to review for examinations and require assistance for these questions... Horse…

A: Given

Q: Briefly explain why placing a PVC pipe nipple between a black iron water pipe and a copper pipe…

A: Corrosion is a process of destruction of the metal. There are galvanic corrosion, metallic…

Q: Determine the torque applied to the shaft of gear A when the acceleration of gear B is 25.5 rad/s^2…

A: Given, Angular acceleration of gear B = 25.5  rad/s2. Mass of gear A , ma = 20 kg Radius of…

Q: 1. Plot the stress'strain diagram for the material. 1. Use the graph to calculate:

A:

Q: Form the figure shown, a flexible belt placed around a rotating drum of 4-inch radius acts as a…

A: Given:Radius of the drum , r=4 inCoefficient of friction, μ=0.7Braking torque, Tb=400 lb.in

Q: A force of F = 22i is applied to the end of a rod extending from the origin (xo, Yo) (0, 0) meters…

A:

Q: A pulley with an inertia J has a weight with a mass m hanging on it at a radius R, from the pin. A…

A: Given : To find : Equation of motion

Q: For the following hydraulic circuit, we want to move a load of 2512 lb at a speed of 250 in/min. The…

A: Solution: Given Data: P=2512 lbN=250 in/minD=4 inL=20 in   To Find: a) Calculate the speed (time)and…

Q: c) One of the bestselling items at the stall are gummy worms, so you decide to perfect the recipe.…

A: The force vs extension plot is given in the figure. We can calculate stress and strain from it and…

Q: 6 ft y 9 + B E 4 ft- D H -4 ft 4 ft K +ft- G 3000 lb 1000 lb X

A: Given: Force applied at point H: →FH=3000 lb    (in downward direction) Force applied at point G:…

Q: We have the following state space model: *1 = 4x1 – 16x2 + 10u1Uz *2 = 3x3 – 9uz y = 5x1u2 + 3x2u1…

A:

Q: 6. Determine the tension in each segment of the cable and the cable's total le 4 ft 7 ft B

A: Find     FAB , FBC, FCD, and total length

Q: A 1-m long copper bar is placed between two rigid, unyielding walls, as shown, with only one end…

A: The stress developed in the bar.Given:The length of the bar is .The temperature rise is .Obtain…

Q: A Carnot power cycle operates on 3lb of air between the limits of 800°F and 600°F. The pressure at…

A:

Q: 650 mm (2) 650 mm 870 mm 650 mm 55 kN B Try One (1) 800 mm X Bar properties 550 mm² 160 GPa 250 mm²…

A:

Q: . A pressurized tank discharges to the atmosphere. Determine the initial discharge rate. 450 kPa h=…

A:

Q: As shown in figure, a homogeneous 50-kg rigid block is suspended by the three springs whose lower…

A:

Q: PROBLEM: Represent the translational mechanical system shown in Figure 3.15 in state space about the…

A:

Q: 2. The solid shaft AB has a diameter d_s = 1.5 in. and is made of steel with a shear allowa of 12…

A:

Q: A centrifugal pump transports water between two reservoirs. The pump has an outer diameter of 15 cm,…

A: The outer diameter of the pump is..The inner diameter of the pump is..The width of the blade is..The…

Q: For the overhanging rolled steel beam with an American standard flange cross- section, identify…

A: Given Data: Magnitude of load applied, P=30 kips

Q: A 30-g bullet is fired with a horizontal speed of 400 m/s at a 2-m long, 6-kg rod that is pinned at…

A:

Q: Industry Print Exercise 7-1 Refer to the print PR 7-1 and answer the questions below. 1. For this…

A: Disclaimer: Since you have posted a questions with multiple sub-parts, we will solve first five sub…

Q: PROBLEM 1.25 For the assembly and loading of Prob. 1.9, determine (a) the average shearing stress in…

A:

Q: SAMPLE PROBLEM 4.5 Thermal Stresses in a Tube A 10-in. length of steel tubing (with properties of E=…

A:

Q: It is well known that truck, cars, and most type of vehicle engir orm at their best when the engine…

A: Abstract  The exhaust system routes exhaust gas from the engine and exhaust it into the environment…

Q: Find the cable lengths AB and BC, the angle C, and the angle B (angle ABC). Strut- 60° 20' B 30' 26'…

A: Draw the triangle ABD and apply cosine rule to calculate the length AB.

Q: Determine the critical buckling load of the member.

A:

Q: naft has a diameter of 41mm. The PCD of the coupling bolts is 63mm. amter is 3mm, and the yield…

A: Given data-T=354Nm  D=41mmPCD=63mm

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.