MCQ: Body having weight 50 kg turning in a circle at 5 m s¹, if radius of circle is 5 m, the force exerted on body to hold it in circular path is 200 N 250 N
Q: (c) Derive relations containing the tension T for both masses and find a2 in terms of m₁ and m2. (d)…
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Q: A washing machine requires a steady current of 10.0 A. If it is connected on a 220-V line, (a) how…
A: We know that:Energy= Power × Time Eqn 1we can write, 1 KWh=…
Q: 3) A double-slit experiment has slit spacing 0.10 mm. What should be the slit-to-screen distance L…
A: The double slit experiment consists of a light source, two closely placed slits, and a screen. When…
Q: Please answer all the questions in number 5 by showing the complete solution. Specify the reference…
A: The speed of the rocket ship is 0.8c relative to earth. The speed of the missile fired in the same…
Q: Using spherical polar coordinates r, 8, 4 to find CM of a uniform solid hemisphere of radius R,…
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Q: Question 3) A boat crosses a river with a velocity of 8 km/hr. If the resulting velocity of boat is…
A: Given data, Velocity of boat VB=8 km/h Resultant velocity, V=10 km/h
Q: Planetary Attribute Albedo Radius Gravitational acceleration Mean distance from sun Surface pressure…
A: (a) Using inverse square law SMSE=DEDM2 where SM is the shortwave solar radiation, DE is the mean…
Q: Solve all the following problems MATHEMATICALLY using your calculator. Show all work. Remember, the…
A: Given, The velocity of the elevator with respect to the ground=VEG =30 -j^. The velocity of the…
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We know that-Power= Voltage x Current Equation 01Where, Voltage, V= 115 MV=115×106 VCurrent, I=…
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We know that-Power= Voltage x Current Equation 01Where, Voltage, V= 115 MV=115×106 VCurrent, I=…
Q: A wire of indefinite length crossed by a current/= 0.2Ais placed at a distance h = 20 cm from a…
A: Solution:-Given thatI1=0.2 Ah=20 cm=0.2 mForce per unit length (FL)=1 μN/m=10-6 N/m
Q: Problem 1 Prove the vector identities V.E= jk E and VXE = jkxE for plane monochromatic waves
A: A plane monochromatic wave equation is given as E=E0 ejk→.r→-ωtEx=E0 ejkxx-ωtEy=E0ejkyy-ωt Ez=E0…
Q: Ex. 2. A long solenoid of diametr 0.1 m has 2x 104 turns per metre. At the centre of the solenoid a…
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Q: An iron wire has a diameter 1.6 mm and resistivity 9.71x 10-8 m. What will be the length of this…
A: Given that-diameter, d= 1.6 mmradius, r= 0.8 mmCross-sectional area, A=πr2=π×0.82 mm2= 2.0096×10-6…
Q: Prove that (1, 0, 0, 0) and (√2,0,0. √3/c) a are unit vectors in the V4 with the metric ds² == ·…
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Q: 5- Kepler's third law states? Α) Τα α B) Ta 2* a C) T² a a³ D) T¹.5 a a³ E) T³a a² Page 1 of 3 6-…
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Q: A copper sphere of 1.01 m diameter is coated with lamp black and maintained at a temperature of…
A: We have to find- Energy radiated in 2 mins (Q)=? Given that- T=5130 K d=1.01 m r=d2=1.012=0.505 m…
Q: Why don't you see interference effects between the front and back of your eyeglasses?
A: Light is made of electric and magnetic fields which are vector fields. Vector fields are capable of…
Q: In a bipuism expt the slit is illuminated by a light of wavelength 5890A°. The distance between slit…
A: We need to compute-Change in bandwidth (X2-X1)=?Given that-λ=5890 A0=5890×10-10 mD1=80 cm=0.80…
Q: What is the A. B. C. D. capacitance when Q = 60 μ C and V = 12 V? 720 μ F 5 με 50 μ F 12 μ F
A: Given data, Charge Q=60 μC, Voltage V = 12 V,
Q: How much mass (in grams) of aluminum initially at 150 °C must be added to 300 g of water initially…
A: We know that-Heat, Q= mCp∆t Equation 01where, m is massCp is specific heat∆t is change in…
Q: The time period of a simple pendulum of length 65 cm is (Use: g = 9.8 m/s²) Select one: O a. 1.62 s…
A: Given that-Acceleration due to gravity, g= 9.8 m/s2Length of pendulum, l= 65 cm=0.65 mWe know…
Q: 1. Write the following numbers in scientific notation. a. 0.000005 b. 3,000,000,000 c. 0.0056 d.…
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…
Q: Q3: Express the vector A = 2√3i+ 3√3j-2√2k in the primed triad i'j'k' in which x'y'-axes are rotated…
A: Here,We have,A = 23 i + 33 j - 2 2 k
Q: 3. An infinitely long uniform line charge is located at y=3, z= 3. If p₁ = 35 nC/m, Find E at point…
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Q: 3.25 - Projectile Motion Part A A projectile is launched at ground level with an initial speed of…
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Q: · A hollow metal ball 10 cm in diameter is given a charge of 1 x 10-2 C. What is the intensity of…
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Q: - A sonometer wire is in unison with a tuning fork when it is stretched by a weight of specific…
A: To find-Frequency of the fork (n)=?Given that-Specific gravity of weight=9No. of beats produced per…
Q: Given the density of iron as 7800 kg/m 3, and the Earth radius is 6.38 x 10 6 m, if 55% of the…
A: Given that-Density of iron, ρiron= 7800 kg/m3Earth radius, R= 6.38×106 m55% of Earth's volume is…
Q: = A 4.1 MC point charge is placed on the x-axis at the point X₁ -22.5 m. A second, 2.7-MC point…
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Q: The rms value or current in an ac circuit is 200. What is the current?
A: We know the formula-rms-current is effective current in AC circuitis- Irms=I2
Q: Indicate the average time between the collisions of electrons in silver (classical model of…
A: Conductivity is inversely proportional to electrical resistivity
Q: Let an electric dipole be given (with charges q arranged at a distance d) and a generic closed…
A: Given:A dipole of charge q and distance d between the charges is inside a geenric closed…
Q: A prism bends blue light more than red. Is the same true of a dif- fraction grating?
A: A prism is triangular transparent equipment that is capable of dispersing light. It has an apex and…
Q: At T=0K find the average number of hits of electrons to wall (per unit surface and per unit time) of…
A: Given: The absolute temperature of the electron = 0k
Q: Replace the force system by an (a) equivalent resultant force and (b) couple moment at point 0. Take…
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Q: An athermanous metal plate has the coefficient of absorption 0.65. A quantity of heat 500 kcal is…
A: We need to compute-(i) Quantity of heat absorbed (Ia)=?(ii)Quantity of heat reflected (Ir)=?Given…
Q: Faraday's law states that:
A: Faradey's second law states 'The induce electromagnetic force in an electric circuit is equal to…
Q: 8. The quantum noise in x-ray imaging obeys Poisson distribution: NK e-N PK K! where: P is…
A: We have given the probability in possion distribution for X ray imaging. We want to calculate the…
Q: Q.3 ;Determine the resultant of forces system shown in Figure below and locate it with respect to…
A: Givennaming the forces starting from closest to point AF1 = −10 kNF2 = −90 kNF3 = +50 kNF4 = +20 NF5…
Q: 5/3 Specify the x-, y-, and z-coordinates of the mass center of the homogeneous semicylinder. Ans. x…
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Q: Velocity vectors A and B have equal magnitudes of 10 m/s. If the sum of A and B is the vector…
A: The two vectors A and B can be represented in terms of their components as A=Axi+AyjB=Bxy+Byj The…
Q: 1.show how the Lorentz Transformation equations relate two inertial frames of reference 2. apply…
A: Hint: Lorentz Transformation Equations t' = γt -vxc2 x' = γx - vt y' = y z' = z
Q: Do it 0
A: Given that-Resistance, R= 72 ohmVoltage, V= 115 VoltPower, P= 90 WattWe know that-Power of the coil,…
Q: By keeping moment of inertia of a body constant, if cue double the time period. then augular…
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Q: The block shown in the figure is acted upon by its weight W = 200 lb, a horizontal force Q = 600 Ib,…
A: All the forces acting on the block in the given problem are shown below
Q: If two resistors with the resistance of 5 ohms and 7 ohms are connected in series, calculate the…
A: Given that-Resistance, R1= 5 ΩResistance, R2= 7 ΩBoth resistors are connected in series.
Q: What should be lension applied to a cubre of lingth 75cm & mass 6 geam if it rubiatie with a…
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Q: pherical polar coordinates mere of radius R, whose fla
A: Take that mass of hemisphere can be M and density can be ρ=MV. Hemisphere's volume can be V=23πR3.
Q: A newly discovered planet orbits a distant star with the same mass as the Sun at an average distance…
A: The average distance is given by the formula, r=a1+e22 where, a=semi-major axise=eccentricity…
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