Water flows through a 1800 ft pipe 4 inches in diameter at 2 cfs. Compute for the headloss in ft. (a.) Use Darcy-Weisbach if f = 0.024. (b.) Use Hazen-Williams if C = 100
Q: Assertion: When a glass of hot milk placed in a room is allowed to cool, its entropy decreases. Reas...
A: Both assertion and reason are true but the reason is not the correct explanation of the assertion
Q: Question: A firefighter, a distance d from a buning building, directs a stream of water from a fire ...
A: Projectile A projectile is an object that is thrown without any fuel. Generally, a projectile is thr...
Q: A carrier is simultaneously modulated by two sine waves with modulation indices of 0.4 and 0.3. The ...
A: The process of sending a message signal from one place to another is more complex than it seems. In ...
Q: In a tube "U" we have water (density equal to 1,000 kg / m3) and a strange fluid. If the height at w...
A: The pressure exerted by fluid is given by the formula, P=ρgh (1)h: height of the columng...
Q: What happens in Primary Rainbow Formation
A: In a primary rainbow, the arc shows red on the outer part and violet on the inner side. This rainbow...
Q: If a valve between two isolated gas containers is open so that gas flows freely from the first one t...
A: Given in the problem that the gas is expanding freely from one container to another container, so it...
Q: Consider a car moving along a straight horizontal road with a speed of 72km/h. If the coefficient of...
A:
Q: why must the correct polarity be known when connecting equipment to a voltage source?
A: Most multimeters, including digital multimeters, can do this. Regarding alternating current in the c...
Q: Tom Cogwagee Longboat, of the Six Nations of the Grand River, is one of Ontario's best known distanc...
A: Option b is
Q: Based on the following Figure, the floor cavity ratio, FCR s. .... 1m 3 m section 0.5m 16 m 12 m pla...
A: B option
Q: Which of the following is an evidence to show that here must be force acting on earth and directed t...
A: The revolution of the earth around the sun is due to the centripetal force provided but the gravitat...
Q: In a sinusoidal wave, the time required for a particular point to move from maximum displacement to ...
A: Option d
Q: Two simple pendulums of lengths 5m and 20m respectively are given small linear displacement in one d...
A: T1/T2 =√(l1/l2)=√(5/20)=1/2T1=2T2When the longer pendulum completes 2 oscillations, the shorter pend...
Q: An insulated piston–cylinder device initially contains 0.3 m3 of carbon dioxide at 200 kPa and 27°C....
A:
Q: Calculate the Zero-point energy for a particle in an infinite potential well for an electron confine...
A: Explanation: Here, m = 9.1 X 10-31 kg, L = 10-9m.Therefore, E = π2ℏ22mL2= 3.14 X 3.14 X 1.05 X 1.05 ...
Q: A student uses two springs for the experiment. The force constant of the thin spring (k,) is 2.5 N/m...
A: The extension in the series connected springs is given by:
Q: A low-PRF radar has a PRF of 350 pps and an illumination pulse width of 5.0 us. The range bins are 5...
A: Option b
Q: (0) State Newton's first and second laws of motion. Use these laws to explain how a satellite remain...
A: Newton’s first law of motion: The first law of Newton states that an object at rest remains at rest ...
Q: A uniform spherical charge distribution (as shown in the figure below) has a total charge of 63.3 mC...
A:
Q: A 1 kg block is attached to vertical rod by means of two strings. When the system rotates about the ...
A: Option c is correct
Q: The ___________ forces do not cause the rotation if the rotation is considered in about the axis of ...
A: Option b
Q: The frequency of incident photon so that the atom makes a transition from E1 to E2 should be _______...
A: Option c is correct
Q: A 1.90-m-long barbell has a 24.0 kg weight on its left end and a 32.0 kg weight on its right end. Wh...
A: Given length of the barbell (L)= 1.90m the weight on its left (let m1)= 24.0kg the weight on its ri...
Q: A coaxial cable is formed by a long, straight wire and a hollow conducting cylinder with axes that c...
A: (a) Given: The net charge per unit length on the wire is 3λ0. The net charge per unit length on the ...
Q: Explain into details why thermodynamics depends on the entropy?
A: This is a question from thermal physics. Entropy: Entropy is a thermodynamic function. And it is def...
Q: A loaded vertical spring executes simple harmonic motion with a time period of 4 sec. The difference...
A: 2 second
Q: What is exoplanets
A: An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence ...
Q: An ice cube and a stone are put in two different glasses of coke. If we know that temperatures of co...
A: To solve this question, we will use the concepts of thermal heat capacity of substances. We know whe...
Q: Thermal energy is produced in a resistor at a rate of 148 W when the current is 2.57 A. What is the ...
A: Power dissipated as heat is: P=i2Rfor RR=Pi2
Q: What is the way of production of energy in a chemical rocket?
A: Most chemical propellants release energy through redox chemistry, more specifically combustion. As s...
Q: Cheetahs can accelerate to a speed of 20.0 m/s in 2.50 s and can continue to accelerate to reach a t...
A: Given: Top speed of Cheetahs is 29.8ms. They can accelerate to speed of 20.0ms in 2.50s. From calcul...
Q: A 0.150-kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.8...
A: From conservation of momentum,m1u1+m2u2=m1v1+m2v2from conservation of energy,12m1u12+12m2u22=12m1v12...
Q: of the force on the right (Fr) to the center is 2 units and B =120°. Calculate righ values. left sid...
A: Given: For the left side, Mass=50 grams Distance=4 units For right side Distance= 2 units Angle, β...
Q: What is the frequency of a photon having energy 2.1 X 10-30 J?
A: E = 2.1 X 10-30 JFrequency, v = ?We know, Energy = hv, where h is the Planck’s ConstantTherefore, v ...
Q: At one instant, the center of mass of a system of two particles is located on the x-axis at 2.0 m an...
A: Option b is correct
Q: The weight on the left is 90 grams and the distance from the center point is 3 units. The distance o...
A:
Q: We use the method of a joint to find the forces acting over the joints in the space trusses. In this...
A: D
Q: Q4. In the figure given below calculate the potential difference between a and c by considering a pa...
A: The emf of the two batteries are given as, ε1 = 4.4 V ε2 = 2.1 V The internal resistances in the cir...
Q: 10.
A: B option
Q: 7. Figure below shows a +8.0 pC charge moving with a speed of 7.5 x 104 m/s parallel to a long strai...
A: The magnitude of the charge is given as, q = +8 μC (or) q = +8×10-6 C The speed of the charge is giv...
Q: Q # 02: Obtain Fourier sine series and Fourier cosine series for f(x) = x3 in the interval [0, a].
A: Given: f(x)=x3 for 0≤x≤π. Let the Fourier series of f(x)=a02+∑n=1Pancosnx+∑n=1Pbnsinnx
Q: A hydrogen atom is located close to the surfsce of the earth. a) What is the ratio of the magnitude ...
A: Part (a) The magnitude of the electric force between the electron and the proton can be calculated a...
Q: The truss is made of three A-36 steel members, each having a cross-sectional area of 400 mm2. Determ...
A: Given: Height of triangle h=0.8 m Area=400 mm2 Energy, E=200 Gpa Length ,l=1 m =1000 mm Change in le...
Q: The charge and coordinates of two charged particles held fixed in an y plane are q1 =+3.0 µC, X1=3.5...
A: Given, there are two charged particle. q1=3 μC at x1=3.5 cm , y1=0.50 cm q2=-4 μC at x2=-2 cm , y2=1...
Q: If the power of the jet is given to be 25 MW for a chemical rocket having a weight flow rate of 147 ...
A: Power of the jet can be expressed in terms of weight flow rate and specific impulse. It is given by ...
Q: Which of the following is not a conservative force? a) Elastic force b) Gravitational force c) Force...
A: Force of friction
Q: How many significant figures are in number? 108,700 km
A: All non zero digits are significant. Thus, 1,8 and 7 are significant digits. Zeroes between non zero...
Q: A 1.0 kg object has a velocity of 5.0f m/s at t = 0. A constant resultant force of (3.0î + 4.0j ) N ...
A: Option d
Q: A solid cylinder with a radius of 4.9 cm has the same mass as a solid sphere of radius R. If the cyl...
A: Given radius of the cylinder (r)= 4.9cm radius of the sphere =R the mass of both sphere and cylinde...
Q: A home run is hit in such a way that the baseball just clears a wall 16 m high, located 122 m from h...
A: In projectile motion (as that of ball in this case) the horizontal and vertical directions are indep...
Water flows through a 1800 ft pipe 4 inches in diameter at 2 cfs. Compute for the headloss in ft. (a.) Use Darcy-Weisbach if f = 0.024. (b.) Use Hazen-Williams if C = 100
Step by step
Solved in 5 steps
