Q. No 05: One end of an aluminum wires whose diameter is 2.5 mm is welded to one end of copper wire whose diameter is 1.8mm. The composite wire carries a steady current of 1.3 A. What is current density in each wire?

Q: For the capacitor network shown in (Figure 1), the potential difference across ab is 63 V. Part E Fi...

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Q: Ex. 77: An earth is rotating about its axis with a period of one day. If radius of earth is 6400 x 1...

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Q: During a simple pendulum laboratory whose length was varying its value in centimeters and with an an...

A: 1) The time period of a simple pendulum of length L is given by :  T=2πLg It can be inferred from th...

Q: The Hiltner Telescope at the MDM Observatory (on Kitt Peak, Arizona) has an aperture D = 2.4m. Its C...

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Q: Estimate the. poriod of osalaon (w). as a funchon of amplitude A by., minimizıng the "objechue fvnti...

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Q: A tiger leaps horizontally from a 15-m high cliff to reach an 8-m high rock, 15m away. (a) With a ta...

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Q: A "moving sidewalk" in an airport terminal building moves at a speed of 1.4 m/s and is of length 33....

A: Given: Speed of sidewalk with respect to earth = 1.4 m/s Speed of woman with respect to sidewalk = 1...

Q: Determine completely the resultant  (magnitude, direction, and position) of the system of forces sho...

A: Force is a vector quantity that is defined as the rate of change in momentum. It is measured in SI u...

Q: Air flows steadily at the rate of 0.5 kg/s through an air compressor, entering at 7 m/s speed, 100 k...

A: Air flows steadily at the rate of 0.5 kg/s speed v1 = 7 m/s pressure p1 = 100 kPa specific volume cv...

Q: minute by a black body of surface area 200 cm? minute by a black body of surface area 200 cm? mainta...

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Q: An infinite line of positive charge lies along the y axis, with charge density a = 2.20 µC/m. A dipo...

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Q: A rocket car is traveling at a constant speed of 250 km/h on a salt flat. The driver gives the car a...

A: We will calculate the time taken using the equation of motion with the data given below: initial vel...

Q: form the surface of the earth. Average density form the surface of the earth. Average density of ear...

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Q: A particular charge distribution is centered on the z-axis and extends from z=-∞ to z=+∞ . Its volum...

A: For both positive and negative values of r, the volume charge density is the same as the opposite si...

Q: Q. 43 A solid sphere is rotation in free space If the radius of the sphere is increased by keeping m...

A: Moment of inertia will change Since moment of inertia depedns on r. I=25Mr2M=mass and r=radiusAngula...

Q: (b) Suppose one of the 12 q's is removed (the one at "6 o'clock"). What is the force on Q? Explain y...

A: (b) Twelve charges are situated at corners of 12-sided polygon. One charge is removed at 6 'o' clock...

Q: 1- calculate the matrix (mlp2|n > and (m]x2/n > then find the matrix of kinetic and potential

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Q: 4.36 Suppose that the probabilities are 0.4, 0.3, 0.2, and 0.1, respectively, that 0, 1, 2, or 3 pow...

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Q: A large boulder is eiected vertically upward from a volcano with an intial speed of 40.8 m/s. Air re...

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Q: 9. What is the magnitude and direction of the resultant in the sketch below? 9. $3 90 12 15 37

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Q: For the state \v) = 8|+) – 2i/5|-) calculate the expectation values and uncertainties for measuremen...

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Q: Ex. 63: An athermanous metal plate has the coefficient of absorption 0.65. A quantity of heat 500 kc...

A: If the absorption coefficient is α, then the heat absorbed is given by  QA=αQ0 Where, Q0 is the inci...

Q: For the capacitor network shown in (Figure 1), the potential difference across ab is 63 V. Part A Fi...

A:

Q: 8-Kj mass and a 0.5 meters beyond damping constani= 15 Spring witn can be Shezhed its natory! length...

A: The mass is given as, m=8 kg The damping constant is given as, c=15 kg/s The force applied is given ...

Q: Assume that the SIR required for satisfactory voice performance on the forward channel of a cellular...

A: Concept: The signal-to-interference ratio (SIR) is the quotient between the average received modulat...

Q: A particle's path can be defined by y=x2. At x=2m, vx=2m/sec, ax=2m/sec2. vy and ay at x=2 m will be...

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Q: 2. Determine the latent heat of 1 English ton of ice.

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Q: (a) Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of 1.6...

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Q: The following is used to model a wave that impacts a concrete wall created by the US Navy speed boat...

A: Given:

Q: A) Calculate the maximum height above the roof reached by the rock. Express your answer in meters. ...

A: Given, height of the building, h = 15 m  initial velocity o rock, u = 26 m/s the angle of projection...

Q: 21.10 Three point charges are located as shown in the diagram. a) What is the electric field at poin...

A: Given, Charges are, QA=8.2μCQB=6.7μCQC=-8.2μC And distance between B to P is, x = 40(cm) = 0.4(m) di...

Q: b) Period and frequency are inversely proportional. Do you agree with this statement? Justify your a...

A: I strongly agree with the statement "Period & frequency are inversely proportional". However bot...

Q: 3 - Given a scalar field T = (x +3)y² sin(2z) and a vector field Ä = ryi + y²(z+5)k, calculate (3) t...

A: The gradient function is given by: ∇⇀=i^∂∂x+j^∂∂y+k^∂∂z Thus, we will use this expression to solve t...

Q: A string with both ends held fixed is vibrating in its third harmonic. The waves have a speed of 192...

A: Given: Speed of the wave is 192 m/s Frequency is 240 Hz Maximum amplitude = 0.4 cm

Q: 5- prove that average of X3 equal to zero , which (n|X|n >= (n|X³]n >= 0 , where 3 x³ = 2mw) ħ 17 (а...

A: Given:

Q: Label the parts of a abbe refractometer and give its uses.

A: The parts of a abbe refractometer and give its uses. 

Q: To qualify for the marines, a male recruit must complete a mile and a half run in less than 13 minut...

A: The velocity of an object is the rate of change of the position of the object with respect to time. ...

Q: 5. Fill-in-the-blank: a) If the width of the barrier doubles, everything else being the same, the tu...

A: Given, Tunneling current

Q: A particle of mass m and charge q is projected with a velocity vo ina viscous medium, where a unifor...

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Q: Find F (V), the magnitude of the force each plate experiences due to the other plate as a functi pot...

A: A parallel plate capacitor consist of two charged plates one is positively charged and other is nega...

Q: Using the formula for the sum ot 11 E, 2i = i=1 E, 2i = 11 i=3 E (2i + 3) = 11

A: Given: ∑i=1112i∑i=3112i∑i=1112i+3

Q: 3. Determine the required heat in BTU, for the water at 50°C to become ice at -50°C.

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Q: what is forensic science?

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Q: An airplane flies between two points on the ground that are 2.40 × 105 m apart. The destination is d...

A: Given: The distance between two points of the journey is d = 2.4 x 105 m The velocity of the plane w...

Q: b) Find E at (0,4,0) 2 mC (0 4, 0) 2.

A: Given: The linear charge density is ρL=2 mCm=2×10-3 Cm. The length of the conductor is l=5m-2m=3 m. ...

Q: Problem 1.4 Using the following vectors A = a i+ 2y j+ 3z k B = 3y i – 2x j Check the product rules ...

A: Question no. 24 To verify the product rule by calculating each term separately. (a) Divergence produ...

Q: A woman bails out of an airplane at an altitude of 10,000 ft, falls freely for 20 s, then opens her ...

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Q: (b) Suppose one of the 12 q's is removed (the one at “6 o'clock"). What is the force on Q? Explain y...

A: The electric force between the charges q and Q which are separated by distance a is calculated by   ...

Q: 3 - Given a scalar field T = (x+3)y² sin(2z) and a vector field A= r*yi+ y?(z+5)k, calculate (3) %3D...

A: The given scalar and vector fields are T=x+3y2sin2zA=x3yi+y2z+5k