A train moves with initial velocity 8 m/s 8 m/s 2 and accn = 2 m/s . Find : Velocity after it moves 30 m You may use any of the laws : 1- V, = V, + at 2 2- S = V, t + 0.5 a t 1 2 3- V2 2 = 2 a S V. 1
Q: Water is flowing in a fire hose from point A with a velocity of 10 m/s and a pressure of 300 kPa as…
A:
Q: A traveling wave on a taut string with a tension force T, is given by the wave function: y(x,t) =…
A:
Q: À 400 N force is pushing a 100 kg box and makes it acceleration 0.5 m/sec^2. Find only the friction…
A:
Q: 8. A spherical balloon is being filled at a rate of 3 cm³ per 4 second. The Volume of a sphere is…
A:
Q: Steady, incompressible and inviscid water flows inside the given system, if the force F is needed to…
A:
Q: What is the velocity (m/s) at section 4, if the d4-10.0 cm? The problem is steady and…
A:
Q: 9). The conditions u (0, t) = u (1, t) = 0 and ôu/ôt = 0 are necessary conditions for..... a). 1D…
A:
Q: A 30 cm pipe carrying water, branches into two pipes of 20 cm and 15 cm diameter. If mean velocity…
A: A 30 centimetre water pipe is known to branch into two 20 cm and 15 cm diameter pipes.If the mean…
Q: =D4 Course da In a certain inhomogeneous linear ODE ym) +...+a,(t)y f(t). the functions y =t and…
A: As, y=t and y=t+t2.. are the solutions...
Q: 1) Between two sections in a vessel, a fluid moves in a steady flow manner. At entrance: A,=20 m?,…
A:
Q: H.W: Two blocks connected by a cord passing over a small frictionless pulley rest on frictionless…
A: Given data as per question Mass 1 =50 kg As the values in the fig. are not clearly visibleAssuming…
Q: A rocket of mass 2.5 x 10°kg , launched with speed 300 requires a force of 1.5 × 10*N to give it a…
A: Given that mass of the rocket(m) =2.5×103 kg, u=300 m/s, F=1.5×104 N , v=500 m/s; the distance…
Q: tank half full of water is accelerated to the right at 9.81 m/s^2. If the motion is laong the side…
A: Given:a=9.81 m/s2l=4 m
Q: A large artery has an inner radius of 4×10-3 m, the flow rate of the blood is 1 cm3/s. Find (a) the…
A: (a) Apply the continuity equation, Q=A·U and simplify to evaluate the value of the mean velocity U.…
Q: What is the velocity (m/s) at section 4, if the d4=8.2 cm? The problem is .steady and incompressible…
A: Given , d1 = 0.04 m , d2 = 0.03 m , d4 = 0.082 m, v1= 2 m/s , v2 = 4 m/s and Q3 = 0.005 m ^3 /s
Q: Starting from rest, a rocket is launched upward (a= 4.20 m/s²). At t= 6.85 sec, the motor shuts off…
A:
Q: The branching of a blood vessel is shown. Blood at a pressure of 100mg Hg (13.3kPa) flows in the…
A: Solution:
Q: Ex. 5.6 A train travels from station A to station B which is 1 km apart in a minimum time of 1…
A: given; ⇒distance between station A and B;⇒distance(D)=1km=1000m⇒time (t)=1minute⇒train acceleration…
Q: A pipe (1) 550 mm in diameter branches into two pipes (2) and (3) of diameters 300 mm and 20 cm…
A:
Q: A 26-pound weight stretches a certain spring 2 feet when the weight and spring are placed in a fluid…
A:
Q: Water (density 1000 kg/m) flows through an inclined pipe of uniform diameter. The velocity. pressure…
A:
Q: A gas flows through a square conduit, at the entrance the conduit sides are 10 cm, the velocity is…
A:
Q: An object is thrown from the ground and reach a maximum height of 30 m above the ground and a range…
A: Maximum height, H= 30 m Range, R= 150 m To find: Initial velocity, v0 Angle of projection, θ
Q: 3. A box (mass = 100 g) is initially connected to a compressed (x = 80 cm) spring (k = 100 N/m) at…
A:
Q: In the case of steam turbine, 1. Stationary turbine with constant speed of rotation is mainly used…
A:
Q: 4. A lightweight drone (1.00 kg) is launched at 800 m high and moves upward at a constant velocity…
A: Velocity is the forward motion of a body. It is equal to the distance covered by the body per unit…
Q: What is the velocity (m/s) at section 4, if the d4=5.3 cm? The problem is steady and incompressible.…
A: In steady state Mass entering to system=Mass out from system
Q: A pipe transports gas up a hill. At the bottom of the hill, the mean velocity in the pipe is 10 m/s…
A:
Q: A rocket is fired at an angle of 30° above the horizontal. If the x-component of its initial…
A:
Q: 4. A lightweight drone (1.00 kg) is launched at 800 m high and moves upward at a constant velocity…
A: Given Data Mass of the drone, m1=1Kg Initially at height above ground H=800m The horizontal…
Q: C2. A circular pipe 1 of 535 mm diameter branches into two pipes (pipe 2 and pipe 3) of diameters…
A:
Q: Steady, incompressible and inviscid water flows inside the given system, if the force F is needed to…
A: Solution:
Q: A traveling wave on a taut string with a tension force T, is given by the wave function: y(x,t) =…
A:
Q: Consider the mechanical energy equation: + VB² + g ZB = + V? + g ZA + w – loss 1 Vg + g Z - 2 VA + g…
A:
Q: A 30 cm pipe carrying water, branches into two pipes of 20 cm and 15 cm diameter. If mean velocity…
A:
Q: Steady, incompressible and inviscid water flows inside the given system, if the force F is needed to…
A:
Q: this question, assume the "additional displacement" is in the positive u direction. mass weighing 16…
A:
Q: 6- A water jet strikes a blade mounted on a lever as shown in figure. The value of the force F…
A:
Q: Q2. The velocity distribution in the boundary layer over a high spillway face was found to have the…
A: For a given velocity distribution inside boundary layer Displacement thickness : It is the distance…
Q: Q7: For a junction if pipe 1 diameter = 45 mm, mean velocity 175 cm/s, pipe 2 diameter 35 mm takes…
A: Given data: The discharge through pipe 1 can be calculated as,
Q: The figure shows a blood flow through an artery where blood density = 1.06 x 103 Kg/cm3 , blood…
A:
Q: An airplane, flying with a tail wind, travels 1200 miles in 2 hours. The return trip, against the…
A:
Q: Steady, incompressible and inviscid water flows inside the given system, if the force F is needed to…
A: According to the given information we have incompressible and inviscid water flow, Inviscid flow is…
Q: Consider the following system mä(t) + cx(t) + kx(t) = F,8(t) + F28(t – t1) Assume zero initial…
A: Write the given expression. Write the Laplace transform of the above expression. Take inverse…
Q: One mole of a gas obeys the Ideal Gas Law PV = 20T, where P is pressure, V is volume, and T is…
A: Given data: One mole of a gas obeys the law: PV = 20T Where P is the pressure, V is the volume and T…
Q: A train moves with initial velocity 8 m/s 2 and accn = 2 m/s . Find : Velocity after it moves 30 m…
A: Here, Initial velocity = V1 = 8 m/s Acceleration = a = 2 m/s2 Distance travelled = S = 30 m We are…
Q: A fixed control volume has three one-dimensional boundary sections, as shown. The flow within the…
A: Given:
Q: A traveling wave on a taut string with a tension force T, is given by the wave function: y(x,t) =…
A: Given data: The sinusoidal wave function is
Step by step
Solved in 2 steps
- Data: Hp2,3 = 2 m; A3 = 20 cm²; A₂ = 1 cm²; Hp0,1 = 0.8 m; NB= 74%(pump efficiency) To determine: a) the flow (L/s); b) the area of section (1) (cm³); c) the power supplied by the pump to the fluid.Energy balance results (in kW) obtained for the same medium speed single cylinder diesel engine are reported in the following table. For case 1, if the coolant temperature is 105 °C at the outlet of the engine and the volumetric flow rate is 0.22*10-3 m3/s, the temperature of the coolant at the inlet is (in °C): (The coolant is considered water with a density 999 kg/m3 and a specific heat 4.2 k/kg.K). Case N (rpm) bmep (bar) W. O ambient Q ahast shaft 2.2 4.2 19.1 60.3 9.90 3.52 1 500 7.1 24.5 23.8 500 6.1 3.6 5.2 400 3.50 4.9 4.1 1.4 Select one: O a. 142.1 O b. 112.7 O c. 97.31 O d. 87.2 O e. 370.31Three pumps are connected in series. According to pump performance curves, the free delivery of each pump is as follows: Pump 1: 1600 L/min Pump 2: 2200 L/min Pump 3: 2800 L/min If the flow rate for this pump system is 2500 L/min, which pump(s) should be shut off? (a) Pump 1 (b) Pump 2 (c) Pump 3 (d) Pumps 1 and 2 (e) Pumps 2 and 3
- 1Two water pumps are arranged in series. The performance data for both pumps follow the parabolic curve fit Havailable =H0 =aV ^2. For pump 1, H0 =5.30 m and coefficient a =0.0438 m/Lpm^2; for pump 2, H0 =8.70 m and coefficient a =0.0347 m/Lpm^2. In either case, the units ofnet pump head H are m, and the units of capacity V are Lpm.Calculate the combined shutoff head. Complete Answer, thank you1. A LEV system has a centrifugal fan rotating at 714 rpm. The airflow is 6210 cfm, the fan total pressure is 4.07” w.g., and the brake horsepower is 3.12 hp. If the rotating speed is decreased to 620 rpm, what are the brake horsepower? a. 1.43 hp b. 2.04 hp c. 2.41 hp d. 2.67 hp 2.A LEV system has a centrifugal fan rotating at 714 rpm. The airflow is 6210 cfm, the fan total pressure is 4.07” w.g., and the brake horsepower is 3.12 hp. If the rotating speed is decreased to 620 rpm, what are the new value for fan total pressure? 4.15" w.g. 3.87" w.g. 3.07" w.g. 3.94" w.g.Hello i have an example with an answer , please show the solution since only the answer was shown in this example. And i need its solution to review properly. Thank you 1.Question : An existing pump is used to pump water with the following data at BEP: D = 2.15 in, N = 1784 rpm, ρ = 998 kg/m3, Q = 18 gpm, H = 4.2 ft. A larger pump is to be designed based from the existing one to be used for pumping slurry (ρ = 1220 kg/m3) such that its best efficiency point occurs as close as possible to a volume flow rate of 48 gpm and at a net head of 15 ft. Calculate the new pump diameter in inches. Round off your final answer to 3 decimal placesAnswer: 2.554
- Assume 5 lb/sec of fluid enter a steady flow system with P1=100 psia, ρ1=0.2 lb/cu.ft., v1=100 fps, u1=800 BTU/lb. and leave with P2 = 20 psia, ρ2=0.05 lb/cu.ft, v2=500 fps, and u2=780 BTU/lb. During passage through the open system, it rejects 10 BTU of heat. Determine: (a) the change in kinetic energy in horsepower CHOICES 33.88 18,63354 35.66 (b) the change in internal energy in horsepower CHOICES -141.509 141.509 -100.00 (c) the change in flow work in horsepower CHOICES -130.909 -72,000 130.909 (d) the turbine work of the system in horsepower CHOICES 309.294 167.8 268.7Two pumps (Pump A and B) have performance curves which can be approximated by the following equations: H_A = 340 - (1.2(Q^2)), in feet H_B = 360 - (2.5(Q^2)), in feet where Q is in ft^3/s. If pumps A and B were to operate in parallel as depicted in the figure below, at what head (in ft.) should either pump be operated?Please indicate the given, assumption and illustration. A Jet plane having a wing area of 20 m2 and weighing 25 kN flies at 950 km/hr speed. The engine develops 8,500 kW and has a mechanical efficiency of 9%. With the specific weight of air at 12 N/m3, determine the following: A) The Coefficient of Lift (CL). B) The Coefficient of Drag (CD).
- Solve the ff. The discharge pressure of an air compressor is 5 times the suction pressure. If the volume flow at suction is 0.7m3/s and discharge volume flow of 0.2217m3/s, what is the compressor power(hp) if suction pressure is 100kpa. Ans. 191.72 A double acting air compressor has a cylinder dimension of 50cm x 60cm, 750rpm will have a volume displacement (m3/s) of: Ans. 2.945 A pump has a specific speed of 45 and 600rpm when it delivers 0.01m3/s. Find the head developed by the pump in ft. Ans. 926.07In an undisturbed airstream inside a wind tunnel, the condition is at a standard atmosphere with a velocity of 400 ft/s. The tunnel then narrows down to the throat section. What is the velocity of throat section which has a pressure of 2000 lbs/ft^2? a. 450 ft/s b. 501 ft/s c. 388 ft/s d. 605 ft/s e. 510 ft/s f. 485 ft/s h. 458 ft/sA wind turbine has the maximum power output at the rated speed of 12 m/s and a rotor diameter of 82 meters. The cut-in and cut-out speeds for this type of wind turbine are 4 m/s and 23 m/s, respectively. The table below shows the annual wind data near a potential site for setting up a wind farm using this type of wind turbine and the power coefficient of the wind turbine at the specific wind speed. The air density is 1.22 kg/m3. (a). What is the maximum power output of this wind turbine, assuming Betz limit? (b). What is the average power output if the wind turbine is installed at this site?. (c). What is the capacity factor of the wind turbine at this site? (d). If a wind farm consisting of 100 such wind turbines is built at the site, how much energy does this wind farm generate in a year (in the unit of kWh)? (e). Is this a good site for using this particular type of wind turbine?