
Engineering Mechanics: Statics & Dynamics (14th Edition)
14th Edition
ISBN: 9780133915426
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 13.4, Problem 43P
To determine
The velocity when man has fallen when time
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Problem (14): A pump is being used to lift water from an underground
tank through a pipe of diameter (d) at discharge (Q). The total head
loss until the pump entrance can be calculated as (h₁ = K[V²/2g]), h
where (V) is the flow velocity in the pipe. The elevation difference
between the pump and tank surface is (h).
Given the values of h [cm], d [cm], and K [-], calculate the maximum
discharge Q [Lit/s] beyond which cavitation would take place at the
pump entrance. Assume Turbulent flow conditions.
Givens:
h = 120.31 cm
d = 14.455 cm
K = 8.976
Q
Answers:
(1) 94.917 lit/s
(2) 49.048 lit/s
( 3 ) 80.722 lit/s
68.588 lit/s
4
Problem (13): A pump is being used to lift water from the bottom
tank to the top tank in a galvanized iron pipe at a discharge (Q).
The length and diameter of the pipe section from the bottom tank
to the pump are (L₁) and (d₁), respectively. The length and
diameter of the pipe section from the pump to the top tank are
(L2) and (d2), respectively.
Given the values of Q [L/s], L₁ [m], d₁ [m], L₂ [m], d₂ [m],
calculate total head loss due to friction (i.e., major loss) in the
pipe (hmajor-loss) in [cm].
Givens:
L₁,d₁
Pump
L₂,d2
오
0.533 lit/s
L1 =
6920.729 m
d1 =
1.065 m
L2 =
70.946 m
d2
0.072 m
Answers:
(1)
3.069 cm
(2) 3.914 cm
( 3 ) 2.519 cm
( 4 ) 1.855 cm
TABLE 8.1
Equivalent Roughness for New Pipes
Pipe
Riveted steel
Concrete
Wood stave
Cast iron
Galvanized iron
Equivalent Roughness, &
Feet
Millimeters
0.003-0.03 0.9-9.0
0.001-0.01 0.3-3.0
0.0006-0.003 0.18-0.9
0.00085
0.26
0.0005
0.15
0.045
0.000005
0.0015
0.0 (smooth) 0.0 (smooth)
Commercial steel or wrought iron 0.00015
Drawn…
The flow rate is 12.275 Liters/s and the diameter is 6.266 cm.
Chapter 13 Solutions
Engineering Mechanics: Statics & Dynamics (14th Edition)
Ch. 13.4 - The 10-kg block is subjected to the forces shown....Ch. 13.4 - The 10-kg block is subjected to the forces shown....Ch. 13.4 - Determine the initial acceleration of the 10-kg...Ch. 13.4 - Prob. 4PPCh. 13.4 - Prob. 1FPCh. 13.4 - If motor M exerts a force of F = (10t2 + 100) N on...Ch. 13.4 - A spring of stiffness k = 500 N/m is mounted...Ch. 13.4 - Prob. 5FPCh. 13.4 - Block B rests upon a smooth surface. If the...Ch. 13.4 - The 6-lb particle is subjected to the action of...
Ch. 13.4 - The two boxcars A and B have a weight of 20 000 lb...Ch. 13.4 - If the coefficient of kinetic friction between the...Ch. 13.4 - If the 50-kg crate starts from rest and achieves a...Ch. 13.4 - If blocks A and B of mass 10 kg and 6 kg...Ch. 13.4 - The 10-lb block has a speed of 4 ft/s when the...Ch. 13.4 - The 10-lb block has a speed of 4 ft/s when the...Ch. 13.4 - Prob. 8PCh. 13.4 - The conveyor belt is moving at 4 m/s. If the...Ch. 13.4 - The conveyor belt is designed to transport...Ch. 13.4 - Determine the time needed to pull the cord at B...Ch. 13.4 - Prob. 12PCh. 13.4 - Block A has a weight of 8 lb and block B has a...Ch. 13.4 - The 2-Mg truck is traveling at 15 m/s when the...Ch. 13.4 - The motor lifts the 50-kg crate with an...Ch. 13.4 - Prob. 16PCh. 13.4 - Prob. 17PCh. 13.4 - Prob. 18PCh. 13.4 - Prob. 19PCh. 13.4 - Prob. 20PCh. 13.4 - The conveyor belt delivers each 12-kg crate to the...Ch. 13.4 - The 50-kg block A is released from rest. Determine...Ch. 13.4 - Prob. 23PCh. 13.4 - Prob. 24PCh. 13.4 - Prob. 25PCh. 13.4 - The 1.5 Mg sports car has a tractive force of F =...Ch. 13.4 - Prob. 27PCh. 13.4 - Prob. 28PCh. 13.4 - Prob. 29PCh. 13.4 - Prob. 30PCh. 13.4 - Prob. 31PCh. 13.4 - The tractor is used to lift the 150-kg load B with...Ch. 13.4 - Prob. 33PCh. 13.4 - Prob. 34PCh. 13.4 - Prob. 35PCh. 13.4 - Prob. 36PCh. 13.4 - The 10-kg block A rests on the 50-kg p late B in...Ch. 13.4 - The 300-kg bar B, originally at rest, is being...Ch. 13.4 - Prob. 39PCh. 13.4 - The 400-lb cylinder at A is hoisted using the...Ch. 13.4 - Prob. 41PCh. 13.4 - Block A has a mass mA and is attached to a spring...Ch. 13.4 - Prob. 43PCh. 13.4 - If the motor draws in the cable with an...Ch. 13.4 - If the force exerted on cable AB by the motor is F...Ch. 13.4 - Prob. 46PCh. 13.4 - Prob. 47PCh. 13.4 - Prob. 48PCh. 13.4 - If a horizontal force P = 12lb is applied to block...Ch. 13.4 - Prob. 50PCh. 13.4 - Prob. 51PCh. 13.5 - Set up the n, t axes and write the equations of...Ch. 13.5 - Prob. 6PPCh. 13.5 - The block rests at a distance of 2 m from the...Ch. 13.5 - Determine the maximum speed that the jeep can...Ch. 13.5 - A pilot weighs 150 lb and is traveling at a...Ch. 13.5 - The sports car is traveling along a 30 banked road...Ch. 13.5 - If the 10-kg ball has a velocity of 3m/ s when it...Ch. 13.5 - Prob. 12FPCh. 13.5 - Prob. 52PCh. 13.5 - Prob. 53PCh. 13.5 - The 2-kg block B and 15-kg cylinder A are...Ch. 13.5 - Determine the maximum constant speed at which the...Ch. 13.5 - Cartons having a mass of 5 kg are required to move...Ch. 13.5 - Prob. 57PCh. 13.5 - The 2-kg spool S fits loosely on the inclined rod...Ch. 13.5 - Prob. 59PCh. 13.5 - Prob. 60PCh. 13.5 - At the instant B = 60, the boys center of mass G...Ch. 13.5 - Prob. 62PCh. 13.5 - Prob. 63PCh. 13.5 - Prob. 64PCh. 13.5 - Prob. 65PCh. 13.5 - Prob. 66PCh. 13.5 - Prob. 67PCh. 13.5 - The 0.8-Mg car travels over the hill having the...Ch. 13.5 - The 0.8-Mg car travels over the hill having the...Ch. 13.5 - The package has a weight of 5 lb and slides down...Ch. 13.5 - The 150-lb man lies against the cushion for which...Ch. 13.5 - The 150-lb man lies against the cushion for which...Ch. 13.5 - Determine the maximum speed at which the car with...Ch. 13.5 - Determine the maximum constant speed at which the...Ch. 13.5 - The box has a mass m and slides down the smooth...Ch. 13.5 - Prob. 76PCh. 13.5 - Prob. 77PCh. 13.5 - Prob. 78PCh. 13.5 - The airplane, traveling at a constant speed of 50...Ch. 13.5 - Prob. 80PCh. 13.5 - Prob. 81PCh. 13.5 - Prob. 82PCh. 13.5 - The ball has a mass m and is attached to the cord...Ch. 13.6 - The 2-lb block is released from rest at A and...Ch. 13.6 - Determine the constant angular velocity of the...Ch. 13.6 - The 0.2-kg ball is blown through the smooth...Ch. 13.6 - The 2-Mg car is traveling along the curved road...Ch. 13.6 - The 0.2-kg pin P is constrained to move in the...Ch. 13.6 - The spring-held follower AB has a weight of 0.75...Ch. 13.6 - Determine the magnitude of the resultant force...Ch. 13.6 - The path of motion of a 5-lb particle in the...Ch. 13.6 - Rod OA rotates counterclockwise with a constant...Ch. 13.6 - The boy of mass 40 kg is sliding down the spiral...Ch. 13.6 - Using a forked rod, a 0.5-kg smooth peg P is...Ch. 13.6 - The arm is rotating at a rate of = 4 rad/s when ...Ch. 13.6 - If arm OA rotates with a constant clockwise...Ch. 13.6 - Determine the normal and frictional driving forces...Ch. 13.6 - A smooth can C, having a mass of 3 kg, is lifted...Ch. 13.6 - The spring-held follower AB has a mass of 0.5 kg...Ch. 13.6 - The spring-held follower AB has a mass of 0.5 kg...Ch. 13.6 - The particle has a mass of 0.5 kg and is confined...Ch. 13.6 - A car of a roller coaster travels along a track...Ch. 13.6 - The 0.5-lb ball is guided along the vertical...Ch. 13.6 - The ball of mass misguided along the vertical...Ch. 13.6 - Prob. 102PCh. 13.6 - The pilot of the airplane executes a vertical loop...Ch. 13.6 - The collar has a mass of 2 kg and travels along...Ch. 13.6 - The particle has a mass of 0.5 kg and is confined...Ch. 13.6 - Solve Prob. 13-105 If the arm has an angular...Ch. 13.6 - The forked rod is used to move the smooth 2-lb...Ch. 13.6 - The collar, which has a weight of 3 lb. slides...Ch. 13.6 - Prob. 109PCh. 13.6 - Prob. 110PCh. 13.7 - The pilot of an airplane executes a vertical loop...Ch. 13.7 - Prob. 113PCh. 13.7 - A communications satellite is in a circular orbit...Ch. 13.7 - Prob. 115PCh. 13.7 - Prob. 116PCh. 13.7 - Prob. 117PCh. 13.7 - Prob. 118PCh. 13.7 - Prob. 119PCh. 13.7 - Prob. 120PCh. 13.7 - The rocket is in free flight along an elliptical...Ch. 13.7 - Prob. 122PCh. 13.7 - Prob. 123PCh. 13.7 - Prob. 124PCh. 13.7 - Prob. 126PCh. 13.7 - Prob. 127PCh. 13.7 - Prob. 128PCh. 13.7 - Prob. 129PCh. 13.7 - Prob. 130PCh. 13.7 - Prob. 131PCh. 13.7 - The rocket is traveling around the earth in free...Ch. 13.7 - Prob. 3CPCh. 13.7 - Prob. 1RPCh. 13.7 - Prob. 2RPCh. 13.7 - Block B rests on a smooth surface. If the...Ch. 13.7 - Prob. 4RPCh. 13.7 - Prob. 5RPCh. 13.7 - The bottle rests at a distance of 3ft from the...Ch. 13.7 - Prob. 7RP
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- An experimental setup is being built to study the flow in a large water main (i.e., a large pipe). The water main is expected to convey a discharge (Qp). The experimental tube will be built at a length scale of 1/20 of the actual water main. After building the experimental setup, the pressure drop per unit length in the model tube (APm/Lm) is measured. Problem (20): Given the value of APm/Lm [kPa/m], and assuming pressure coefficient similitude, calculate the drop in the pressure per unit length of the water main (APP/Lp) in [Pa/m]. Givens: AP M/L m = 590.637 kPa/m meen Answers: ( 1 ) 59.369 Pa/m ( 2 ) 73.83 Pa/m (3) 95.443 Pa/m ( 4 ) 44.444 Pa/m *******arrow_forwardFind the reaction force in y if Ain = 0.169 m^2, Aout = 0.143 m^2, p_in = 0.552 atm, Q = 0.367 m^3/s, α = 31.72 degrees. The pipe is flat on the ground so do not factor in weight of the pipe and fluid.arrow_forwardFind the reaction force in x if Ain = 0.301 m^2, Aout = 0.177 m^2, p_in = 1.338 atm, Q = 0.669 m^3/s, and α = 37.183 degreesarrow_forward
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