A length of 8 gauge copper wire has a resistance of 5.7 ohms at a temperature of 24°C.  Find the resistance (in Ω) at a temperature of 87°C [round your final answer to one decimal place]. {αcopper = 3.9  x 10-3 C-1}

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Q: Q23. A pulley system consists of six identical pulleys arranged in two groups of three as shown…

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Q: Question 7 Calculate the total resistance of the circuit shown below. 24 Ω A B C D 16 Ω 24 Ω 72 Ω 48…

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Q: Light in a vacuum is incident on a transparent glass slab. The angle of incidence is 30.2". The slab…

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Q: A step-down transformer has 63 turns in its primary coil and 20 turns in its secondary coil. The…

A: Given: Number of turns in the primary coil, Np=63 Number of turns in the  secondary coil, Ns=20…

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A: Draw the free-body diagram of the system.

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Q: A very long solenoid of inner radius 2.75 cm creates an oscillating magnetic field B of the form B =…

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Q: Find the associated half life time or doubling time.  Q=900e-.025t

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Q: A stone is dropped from a height of 100 m. At what height is half of its energy potential and half…

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Q: Vectors A and B lie in the xy-plane. Vector A has a magnitude of 18.1 and is at an angle of 160.5°…

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Q: Draw what the electric field lines should look like for two charged particles, and based on this,…

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Q: you are standing 5 meters from a plane mirror, and someone is standing in front of you, 2 meters…

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Q: A person's weight on the Moon is directly proportional to their weight on Earth. A person weighing…

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Q: In frustration, Jimmy Alapag threw the ball with a velocity of 20.0 m/s at an angle of 45° above the…

A: Given Initial velocity =20 m/s Angle =  45°

Q: Three charges are arranged as shown below: q₁ = 22 µC is at the origin, q2 = -10 μC is at a distance…

A: force on q1 by q2,f12=kq1q2b2      =9×109×22×10-6×-10×10-60.552     =6.55 Ndirection towards north (…

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Q: Light strikes the ice perpendicularly and travels through it and then through the quartz.

A: Given: Thickness of ice sheet is di=2.7 cm Refractive index of ice sheet is ni=1.309 Thickness of…

Q: 270kg load is lifted 21.0m vertically with an acceleration a=0.170g by a single cable. A. Determine…

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Q: A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.863 rad/s.…

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Q: Consider white light incident on a plate of crown glass. The angle of incidence is 29.4 degrees.…

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Q: A common flashlight bulb is rated at 0.25 A and 2.6 V (the values of the current and voltage under…

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Q: Each of the resistors in the image below has the same resistor code. What is the resistance of a…

A: Colour sequence->. Orange ,black,yellow,gold

Q: A cyclist starts from rest and coasts down a 4.0∘ hill. The mass of the cyclist plus bicycle is 85…

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Q: A converging lens (f = 14.5 cm) is located 24.7 cm to the left of a diverging lens (f = -4.88 cm). A…

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Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…

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Q: 2. A concave mirror has f = 10.5 cm. An object that is 5.2 cm tall is placed 1.5 m away from the…

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Q: A transformer has two sets of coils, the primary with N1 = 190 turns and the secondary with N2 = 925…

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Q: A 2.00-nF capacitor with an initial charge of 5.99 µC is discharged through a 2.42-k resistor. (a)…

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Q: A 1840 kg car has just passed a diner. The closest the car came to the diner was R = 36.5 m, but the…

A: Given mass of car = m = 1840 kg distance traveled by car = x = 22.7 m R = 36.5 m time taken to…