A hydro station of 3 MW generate 358 Mwh for one week. If the water discharge at one week is 542000 cubic meter. The overal effieciency of the station is 0.7. The head of the water in the dan is
Q: An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated...
A: D option
Q: A battery of emf 10V has an internal resistance of 1 ohms and is charged by a 150V dc supply using a...
A: Option c
Q: Let a thin capillary tube be replaced with another tube of insufficient length then, we find water ...
A: B option
Q: A solid 0.6350 kg ball rolls without slipping down a track toward a vertical loop of radius ?=0.6350...
A: At the top of circular track loop N+mg=mv2RAs, the rolling of solid ball without slipping is in ant...
Q: What sort of energy does flying bird posses? a) Potential energy b) Kinetic energy c) Elastic energy...
A: Option d
Q: Find the arc length parameter along the given curve from the point where t= 0 by evaluating the inte...
A:
Q: The wave function for a travelling wave is y(x, t) = (0.75 m) sin (10.0x - 3.5t + 0.25), where x is ...
A: The wave function for a travelling wave is given by: y(x, t) = (0.75 m) sin (10.0x - 3.5t + 0.25) --...
Q: Atom and molecul physics
A: characteristic L alpha photon will be produced when an electron jumps from M shell to L shell energ...
Q: a wave function is given by: Y exy = 0,otherwise 1 Cheek that N is given by : N 30 as find the proba...
A: Given a wave function of a particle in a region: ψx=Nax-x2, 0≤x≤a0, oth...
Q: A satellite orbiting the earth with speed v0. To make the satellite escape, what should be the minim...
A: The speed of the satellite is given as, vo TO DETERMINE: The percentage increase in its velocity to ...
Q: An electron and a mystery charge 5.3 × 10^−11 m apart attracts each other with a force of 2.61 × 10^...
A: from Columbs law,F=Kq1q2r2k=9×109Nm2/C2qe=1.6×10-19Clet value of mystery charge qmr=5.3×10-11mF=2.61...
Q: R3-3. The hood of the automobile is supported by the strut AB, which exerts a force of F - 100 N on ...
A: The position vector of point A in the given figure is : rA=i^+0j^+0k^ The position vector of point ...
Q: Find the Laplace transform of ( 1 + cos2?)
A:
Q: (a) To appreciate the human ear’s twelve order of magnitude (1012) span from barely audible to the p...
A: Fundamental frequency in an organ pipe closed at one end is, f0=v4l Here, v is the velocity and l is...
Q: To illustrate that the length of a smooth space curve does not depend on the parameterization used t...
A: The length of a parametrized curve r(t)=x(t)i +y(t) j + z(t) k is given by, ∫ ds=∫t1t2dx(t)dt2+dy(...
Q: Can a transformer be used with dc? Explain. What happens if a transformer designed for 120 V ac is c...
A: The transformer has coils that act as an inductor. The expression for the emf induced in the seconda...
Q: What type of diode circuit is used to add or restore a dc level to an electrical signal? A. clippe...
A: D
Q: A charge q is placed on an equipotential surface and electric field intensity at that place is E. Wh...
A: As the surface is equipotential, all the points on the surface of the plane have the same potential ...
Q: Spectral lines have a finite width even though atomic energy levels are discrete, because ... atom...
A: During a radiative transition from discrete energy level E1 to energy level E2, the transition frequ...
Q: Sample problem 6.13
A: (a) Given: The mass of the bar is m1. The mass of the Planck is m2. The coefficient of friction betw...
Q: A certain part of cast iron piping of a water distribution system involves a parallel section. Both ...
A: Given,
Q: Find the displacement, velocity, kinetic energy, potential energy and momentum of an object, taking ...
A: given, F=ma and F=-kx where k is the force constant of the spring and x is the displacement of the m...
Q: A 1024-kg blue ball is dropped from an initial z-position of 3.9 x 106 m through the center of a pla...
A: Given, Gravitational Constant, G =6.67×10-11Nm2/kg2Mass of the planet, M =42×105kgRadius of the plan...
Q: If the rotation is clockwise in this page, suppose, then in which direction will the thumb project i...
A: Option b
Q: (a) An FM signal with an information signal of 5 kHz has a maximum frequency of 100.6 MHz and a mini...
A: Frequency Modulation Frequency Modulation is a method of varying the frequency of the carrier wave a...
Q: A hammer is resting on a plane surface. If force P is applied on the hammer along with a line not pa...
A: D option
Q: In quantum mechanics, if the energy of the particle, E, is less than the energy required to enter a ...
A: Given: If the particle's energy E, in quantum mechanics is comparatively lesser the required energy ...
Q: A biologist studies a species of bacteria called FAST, her research reveals that FAST bacteria repro...
A: Given: The function of the number of FAST bacteria is Nt=10+6t+2t2. Introduction: To calculate the n...
Q: Write Boltzmann’s equation for the one-particle distribution function f (r, k, t).
A:
Q: A process, in which the gas is heated or expanded in such a way that the product of its pressure and...
A: In hyperbolic processes
Q: The entropy of the universe is continually on the increase. A. Correct B. Incorrect
A: A . Correct
Q: The Sun’s attraction of both earth and moon are external forces acting on the centre of mass of the ...
A: The moon moves around the earth in a circular orbit and the earth moves around the sun in an ellipti...
Q: If gravitational constant is decreasing with time, what will remain unchanged in case of a satellite...
A: Gravitational constant that is g = GM/R. Now g is decreasing then, Time Period = 2pi/w (...
Q: a) Find the value for the constant po (including units), given that the total charge on the insulati...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: A 500-N concrete block is to be lifted by the pair of tongs shown. Determine the smallest allowable ...
A: Given: The weight of the block to be lifted W = 500 N.
Q: An a.c. generator consists of a coil of 1000 turns and cross-sectional area of 3m2, rotating at a co...
A: Given, N=1000 A=3m2 ω=60 rad/s B=0.04 T R=500 Ω Hence maximum current drawn Io=EoR=NABωR=1000×3×0.04...
Q: Consider a car moving along a straight horizontal road with a speed of 72km/h. If the coefficient of...
A:
Q: An ant is walking on the horizontal surface. The number of degrees of freedom of ant will be _______...
A: As the ant can move on a plane, it has 2 degrees of freedom.
Q: Internal force is responsible for the change in velocity of an object. a) True b) False
A: The outside force exerted on an object by an external agency is called an external force. Such a for...
Q: Find the displacement, velocity, kinetic energy, potential energy and momentum of an object, taking ...
A: Here for F=ma and for F=-kx can be together combined to form a single equation given by ma=-kxa=dvdt...
Q: Q1. 2.0 moles of nitrogen gas at 400 K which is adiabatically confined in a cylinder, expands from 1...
A: Concept used: Heat remains constant during an adiabatic process. There is no heat gain or loss invol...
Q: A charge q is placed on an equipotential surface and electric field intensity at that place is E. Wh...
A: As the surface is equipotential, all the points on the surface of the plane have the same potential ...
Q: Planets do not twinkle because A. they emit light of a constant intensity B. their distance from t...
A: Correct option is
Q: Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from ...
A: In equilibrium, kx=mgx=mg/k=(20×9.8)/9000=0.049m=4.9cm
Q: A rigid DC switch is attached to the 20 mm radius solid aluminum AB shaft. The forces of P = 3kN in ...
A: Given : ζallow = 80MPaσallow = 160MPaϕr = 20mmF = 4kNP = 3kN
Q: A man is standing beneath two rain clouds, equidistant from each cloud, as shown in the figure. Clou...
A: (a) Consider the following diagram,
Q: Consider the basis S = {v1, V2} for R2, where v1 = (1, 1) and v2 = (1, 0), and let T:R? – R2 be the ...
A: Given: S=(v1,v2)v1=(1,1)v2=(1,0)
Q: Q2: Calculate the divergence of the following vector function: vc = y?x + (2xy + z2)ŷ + 2yz2
A: The divergence of the following vector function is calculated in following steps : vc=y2x^+(2xy+z2)...
Q: What property of an element determines its chemical behaviour?
A: Valency of an element
Q: Can we use Thevenin’s theorem on a circuit containing a BJT? a) Yes b) No c) Depends on the BJT d) I...
A: No
Step by step
Solved in 3 steps
