ENGR.MECH.:STAT.+DYNAMICS
15th Edition
ISBN: 9780134780955
Author: HIBBELER
Publisher: RENT PEARS
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Chapter 14, Problem 71P
To determine
Thespeed of the car
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4- In the system shown in the figure, the water velocity in the 12 in. diameter
pipe is 8 ft/s. Determine the gage reading at position 1.
Elevation 170 ft
1
Elevation 200 ft |
8 ft, 6-in.-diameter,
150 ft, 12-in.-diameter,
f = 0.020
f = 0.020
A
B
Hints: the minor losses should consider the contraction loss at A and the
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Consider a glass window (Hight = 1.2 m, Width = 2 m). The room thatfaces the window are maintained at 25 o C. The average temperature ofthe inner surface of the window is 5 o C. Calculate the total heat transferrate from through the window a) IdenCfy what type(s) of convecCon is important (circle one). • external forced (Chapter 7)• internal forced (Chapter 8)• natural convecCon (Chapter 9)• boiling and condensaCon (Chapter 10)b) IdenCfy the necessary equaCon(s) needed to solve the problem. c) IdenCfy important fluid properCes you need to solve the problem. d) Calculate the total heat transferred.
Chapter 14 Solutions
ENGR.MECH.:STAT.+DYNAMICS
Ch. 14 - Prob. 1FPCh. 14 - If the motor exerts a constant force of 300 N on...Ch. 14 - If the motor exerts a force of F = (600 + 2s2) N...Ch. 14 - The 1.8-Mg dragster is traveling at 125 m/s when...Ch. 14 - When s = 0.5 m, the spring is unstretched and the...Ch. 14 - The 5-lb collar is pulled by a cord that passes...Ch. 14 - Prob. 2PCh. 14 - The 100-kg crate is subjected to the forces shown....Ch. 14 - Determine the required height h of the roller...Ch. 14 - When the driver applies the brakes of a light...
Ch. 14 - Prob. 7PCh. 14 - The force F, acting in a constant direction on the...Ch. 14 - The 2-lb brick slides down a smooth roof, such...Ch. 14 - The two blocks A and B have weights WA = 60 lb and...Ch. 14 - A small box of mass m is given a speed of v=14gr...Ch. 14 - Prob. 18PCh. 14 - If the cord is subjected to a constant force of F=...Ch. 14 - The crash cushion for a highway barrier consists...Ch. 14 - The 25-lb block has an initial speed of v0 = 10...Ch. 14 - At a given instant the 10-lb block A is moving...Ch. 14 - Prob. 25PCh. 14 - The catapulting mechanism is used to propel the...Ch. 14 - Prob. 27PCh. 14 - Prob. 31PCh. 14 - When the 150-lb skier is at point A he has a speed...Ch. 14 - Prob. 39PCh. 14 - Prob. 40PCh. 14 - If the contact surface between the 20-kg block and...Ch. 14 - Prob. 8FPCh. 14 - Prob. 9FPCh. 14 - Prob. 10FPCh. 14 - Prob. 11FPCh. 14 - Prob. 12FPCh. 14 - The jeep has a weight of 2500 lb and an engine...Ch. 14 - Determine the power Input for a motor necessary to...Ch. 14 - An automobile having a mass of 2 Mg travels up a 7...Ch. 14 - Prob. 45PCh. 14 - To dramatize the loss of energy in an automobile,...Ch. 14 - Escalator steps move with a constant speed of 0.6...Ch. 14 - Prob. 48PCh. 14 - The 1000-lb elevator is hoisted by the pulley...Ch. 14 - The sports car has a mass of 2.3 Mg, and while it...Ch. 14 - Prob. 54PCh. 14 - Prob. 55PCh. 14 - The 50-lb block rests on the rough surface for...Ch. 14 - The 2-kg pendulum bob is released from rest when...Ch. 14 - Prob. 14FPCh. 14 - Prob. 15FPCh. 14 - Prob. 16FPCh. 14 - The 75-lb block is released from rest 5 ft above...Ch. 14 - Prob. 18FPCh. 14 - The girl has a mass of 40 kg and center of mass at...Ch. 14 - The 30-lb block A is placed on top of two nested...Ch. 14 - The 5-kg collar has a velocity of 5 m/s to the...Ch. 14 - The 5-kg collar has a velocity of 5 m/s to the...Ch. 14 - Prob. 71PCh. 14 - The roller coaster car has a mass of 700 kg,...Ch. 14 - The roller coaster car has a mass of 700 kg,...Ch. 14 - Prob. 76PCh. 14 - The roller coaster car having a mass m is released...Ch. 14 - The spring has a stiffness k = 200 N/m and an...Ch. 14 - Prob. 79PCh. 14 - Prob. 80PCh. 14 - When s = 0, the spring on the firing mechanism is...Ch. 14 - If the mass of the earth is Me, show that the...Ch. 14 - A rocket of mass m is fired vertically from the...Ch. 14 - The 4-kg smooth collar has a speed of 3 m/s when...Ch. 14 - Prob. 85PCh. 14 - Prob. 87PCh. 14 - Prob. 90PCh. 14 - The roller coaster car has a speed of 15 ft/s when...Ch. 14 - Prob. 1RPCh. 14 - The small 2-lb collar starting from rest at A...Ch. 14 - Prob. 3RPCh. 14 - Prob. 4RPCh. 14 - Prob. 5RPCh. 14 - Prob. 6RPCh. 14 - Prob. 7RPCh. 14 - Prob. 8RP
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- 8 mm- Top view -200 mm-180 mm- D B B 12 mm Side view B -8 mm D PROBLEM 1.56 In an alternative design for the structure of Prob. 1.55, a pin of 10-mm-diameter is to be used at A. Assuming that all other specifications remain unchanged, determine the allowable load P if an overall factor of safety of 3.0 is desired. PROBLEM 1.55 In the structure shown, an 8- mm-diameter pin is used at A, and 12-mm- diameter pins are used at B and D. Knowing that the ultimate shearing stress is 100 MPa at all connections and that the ultimate normal stress is 250 MPa in each of the two links joining B and D, determine the allowable load P if an overall factor of safety of 3.0 is desired. 20 mm P 8 mm- 12 mm- Front viewarrow_forwardWhere on the beam below is the Maximum Deflection likely to occur? 2P A "ती Point A Point B Point C Point D Point B or Point D ८ B पarrow_forwardSign in ||! PDE 321 proje X IMB321 PDF Lecture 5 X PDF Planet Ec X PDF Planet Ec X PDF PEABWX PDF meeting x PDF GSS Quo X PDF File C:/Users/KHULEKANI/Downloads/CIVE%20281%20Ass-2.pdf Draw | | All | a | Ask Copilot + 1 of 7 | D SOLUTION B PROBLEM 12.16 Block 4 has a mass of 40 kg, and block B has a mass of 8 kg. The coefficients of friction between all surfaces of contact are μ, = 0.20 H = 0.15. Knowing that P = 50 N→, determine (a) the acceleration of block B, (b) the tension in the cord. Constraint of cable: 2x + (x-x1) = x + x = constant. a+ag = 0, or aB = -a Assume that block A moves down and block B moves up. Block B: +/ΣF, = 0: NAB - WB cos 0 = 0 =ma: -T+μN + Wsin = We as g + ΣΕ We Eliminate NAB and aB- NAB B Nas HN UNA A NA -T+W(sin+μcоsе) = WB- g VD"M- g Block A: +/ΣF, = 0: NA-NAB - W₁cos + Psinė = 0 N₁ = N AB+W cose - Psin = (WB+WA)cose - Psinė ΣF=ma -T+Wsino-FAB-F + Pcos = CIVE 281 X + Ждал g Q | го || حالم ☑arrow_forward
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