Homework Answers
Water flows in a 20 cm diameter pipe at 5 m/s as shown in Fig. A.4....
Water flows in a 20 cm diameter pipe at 5 m/s as shown in Fig.
A.4. It exits by impacting upon a 90- cone and leaves with a
uniform flow of thickness 1 cm around the cone edge.
(a) Calculate the force acting on the cone. (15 marks)
(b) If the flow exits non-uniformly, explain how the movement of
the cone will be affected. (5 marks)
A.4 Water flows in a 20 cm diameter pipe at 5 m/s as shown...
Fig. 3 Problem 5 A square wire loop with sides of length L=2.00 m is perpendicular...
Fig. 3 Problem 5 A square wire loop with sides of length L=2.00 m is perpendicular to a uniform magnetic field pointing out of the page, with half the area of the loop in the field as shown in Fig. 3. The loop contains an ideal battery with emf Ebar=20.0 V. The magnitude of the field varies with time according to the expression B = 0.0420-0.870t, with B in Tesla and t in seconds. (a) Use Faraday's law to determine...
For the vibrating system shown in Fig. 3, a mass of 5 kg is placed on...
For the vibrating system shown in Fig. 3, a mass of 5 kg is
placed on mass m at t = 0 and the system is at rest initially (at t
= 0). Given that m = 20 kg, k = 600 N/m, and c = 60 Ns/m. Plot the
response curve x(t) versus t using MATLAB.
3 kg m Fig. 3
A simple beam AB of span length L 6.7 m (Fig. 5-14a) supports a uniform load...
A simple beam AB of span length L 6.7 m (Fig. 5-14a) supports a uniform load of intensity q 22 kN/m and a concentrated load P 50 kN. The uni- form load includes an allowance for the weight of the beam. The concen trated load acts at a point 2.5 m from the left-hand end of the beam. The beam is constructed of glued laminated wood and has a cross section of width b 220 mm and a height h...
Q5. As shown in Fig. 5, a uniform sphere of mass m = 8 kg and...
Q5. As shown in Fig. 5, a uniform sphere of mass m = 8 kg and radius r rolls without slip toward a large crate with mass M = 80 kg that rests on top of a rubber mat nailed into the ground. The coefficient of friction between the crate and the mat, 1 = 0.75. A spring with stiffness k is attached to the crate at a height h = 0.85m above the mat, and the crate's mass centre...
5. (4x 4-16 pts) Fig. 1 Fig. 2 () A double slit apparatus withd -0.01 mm...
5. (4x 4-16 pts) Fig. 1 Fig. 2 () A double slit apparatus withd -0.01 mm is illuminated by light (Fig 1). The position of the first maximu m on the screen 2 m away is measured to be 10cm away from the (i) In an ensuing flood, water (n 1.33) fills the laboratory and the apparatus. Does the (ili) After the water was drained, a thin sheet of plastic (n - 1.60) has been placed on one center bright...
For the shown system below and with the information given underneath the fig hico 4m, huA 5 m, R-...
For the shown system below and with the information given underneath the fig hico 4m, huA 5 m, R-8000 a) Find the head loss between A and B for the system shown in () b) For the system shown in (il), find the following: a. b. c. d. P/y at C The head loss between B and C P/y at A The flow rate in pipe 2 if R-8000. 0.02 m3ls Ci) 3 Crt) (nesle et v Given 2 13m...
and (b) determine its cut hown in Fig, m, Find ia nd in r n the minimum and maximum values. 50 Ω 2002 kV 10 A 5 H 500 μι and (b) determine its cut hown in Fig, m, Find ia nd in r n the minimum a...
and (b) determine its cut hown in Fig, m, Find ia nd in r n the minimum and maximum values. 50 Ω 2002 kV 10 A 5 H 500 μι
and (b) determine its cut hown in Fig, m, Find ia nd in r n the minimum and maximum values. 50 Ω 2002 kV 10 A 5 H 500 μι
Dam Wall (7 marks) Fig 6 6. A circular gate AB of diameter 4 m is...
Dam Wall (7 marks) Fig 6 6. A circular gate AB of diameter 4 m is designed to close the water flowing out from the sloping wall of a dam structure. The gate is hinged at A as in Fig 6. Calculate (a) the magnitude of hydrostatic force acting on the circular gate and (b) the position of hydrostatic force from the water surface. (6 marks) 7. Using the data in Fig 7, (a) find va if vb is 3...
Part 5 The following hydraulic circuit in Fig. 5 is aimed to brake the hydraulic cylinder...
Part 5 The following hydraulic circuit in Fig. 5 is aimed to brake the hydraulic cylinder in motion. Analyze the control mechanism, especially the use of valve 2, 3, 4, 5 in braking process. (10 points) Fig. 5
Part 5 The following hydraulic circuit in Fig. 5 is aimed to brake the hydraulic cylinder in motion. Analyze the control mechanism, especially the use of valve 2, 3, 4, 5 in braking process. (10 points) Fig. 5
Water flows in a 20 cm diameter pipe at 5 m/s as shown in Fig.
A.4. It exits by impacting upon a 90- cone and leaves with a
uniform flow of thickness 1 cm around the cone edge.
(a) Calculate the force acting on the cone. (15 marks)
(b) If the flow exits non-uniformly, explain how the movement of
the cone will be affected. (5 marks)
A.4 Water flows in a 20 cm diameter pipe at 5 m/s as shown...
Fig. 3 Problem 5 A square wire loop with sides of length L=2.00 m is perpendicular to a uniform magnetic field pointing out of the page, with half the area of the loop in the field as shown in Fig. 3. The loop contains an ideal battery with emf Ebar=20.0 V. The magnitude of the field varies with time according to the expression B = 0.0420-0.870t, with B in Tesla and t in seconds. (a) Use Faraday's law to determine...
For the vibrating system shown in Fig. 3, a mass of 5 kg is
placed on mass m at t = 0 and the system is at rest initially (at t
= 0). Given that m = 20 kg, k = 600 N/m, and c = 60 Ns/m. Plot the
response curve x(t) versus t using MATLAB.
3 kg m Fig. 3
A simple beam AB of span length L 6.7 m (Fig. 5-14a) supports a uniform load of intensity q 22 kN/m and a concentrated load P 50 kN. The uni- form load includes an allowance for the weight of the beam. The concen trated load acts at a point 2.5 m from the left-hand end of the beam. The beam is constructed of glued laminated wood and has a cross section of width b 220 mm and a height h...
Q5. As shown in Fig. 5, a uniform sphere of mass m = 8 kg and radius r rolls without slip toward a large crate with mass M = 80 kg that rests on top of a rubber mat nailed into the ground. The coefficient of friction between the crate and the mat, 1 = 0.75. A spring with stiffness k is attached to the crate at a height h = 0.85m above the mat, and the crate's mass centre...
5. (4x 4-16 pts) Fig. 1 Fig. 2 () A double slit apparatus withd -0.01 mm is illuminated by light (Fig 1). The position of the first maximu m on the screen 2 m away is measured to be 10cm away from the (i) In an ensuing flood, water (n 1.33) fills the laboratory and the apparatus. Does the (ili) After the water was drained, a thin sheet of plastic (n - 1.60) has been placed on one center bright...
For the shown system below and with the information given underneath the fig hico 4m, huA 5 m, R-8000 a) Find the head loss between A and B for the system shown in () b) For the system shown in (il), find the following: a. b. c. d. P/y at C The head loss between B and C P/y at A The flow rate in pipe 2 if R-8000. 0.02 m3ls Ci) 3 Crt) (nesle et v Given 2 13m...
and (b) determine its cut hown in Fig, m, Find ia nd in r n the minimum and maximum values. 50 Ω 2002 kV 10 A 5 H 500 μι
and (b) determine its cut hown in Fig, m, Find ia nd in r n the minimum and maximum values. 50 Ω 2002 kV 10 A 5 H 500 μι
Dam Wall (7 marks) Fig 6 6. A circular gate AB of diameter 4 m is designed to close the water flowing out from the sloping wall of a dam structure. The gate is hinged at A as in Fig 6. Calculate (a) the magnitude of hydrostatic force acting on the circular gate and (b) the position of hydrostatic force from the water surface. (6 marks) 7. Using the data in Fig 7, (a) find va if vb is 3...
Part 5 The following hydraulic circuit in Fig. 5 is aimed to brake the hydraulic cylinder in motion. Analyze the control mechanism, especially the use of valve 2, 3, 4, 5 in braking process. (10 points) Fig. 5
Part 5 The following hydraulic circuit in Fig. 5 is aimed to brake the hydraulic cylinder in motion. Analyze the control mechanism, especially the use of valve 2, 3, 4, 5 in braking process. (10 points) Fig. 5
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