Find the resistance of a hollow cylindrical pipe of length 1-0 m whose inner and outer radii are 10 cm and 20 cm respectively. The resistivity of material is 2 x 10-8 2 m.

Q: The loaded cab of an elevator has a mass of 4.00 x 10° kg and moves 215. m up the shaft in 23.0 s at...

A: Given --- Mass, m = 4.00×103 kg  Distance moved ,d = 215 m  Time ,t = 23 sec. Average rate ,P = Work...

Q: Calculate the potential at point A, in thể unit of volts, given the following: Q1 =-2 nC and O2+67 n...

A: We have two charges of magnitude Q1=-2 nC and Q2=67 nC that are separated by a distance D=10 cm=0.1 ...

Q: A force of 60 Newtons is applied to the end of a wrench 12 centimeters long. How much torque is prod...

A: Given, Force, F = 60 N r = 12 cm = 0.12 m

Q: 2. Solve for the magnitude of the electric field of a point charge (straight line) given: 91 = +45µC...

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Q: The free-fall acceleration on the surface of the Moon is about one sixth that on the surface of the ...

A: Given that:- Ratio of radius of moon to earth = 0.25

Q: Example: If the coefficient of performance of Refrigerator is (5) find the ratio of the heat rejecte...

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Q: q1 = 8nC (0 m, 5m) X. (3 m, 5m) q2 4nC q3 = 7nC (0 m, 0m) (3 m, 0m) 1.Determine the total electric p...

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Q: What will be acceleration of a body of mass 7 kg if a force of 420N is applied to if ?

A: Given, Force = 420 N Mass = 7 kg From Newton's second laws of motion ,Force = mass×acceleration  

Q: A ray of light passes from air into a block of glass with a refractive index of 1.50 as shown in the...

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Q: The switch is moved to position "a", and the capacitor begins charging. At any given instant in the ...

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Q: A ray of light strikes a flat block of glass (n=1.50) of thickness D=3.0cm at an angle of 0=55° with...

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Q: Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single ele...

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Q: Consider a silicon pn junction at T = 300 K 10 cm and the doping concentration in the p region is 10...

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Q: 12–106. The snowmobile is traveling at 10 m/s when it leaves the embankment at A. Determine the time...

A: Initial velocity vo = 10 m/s Angle θ = 40° To determine the time of flight from A to B and the range...

Q: Two blocks are attached by strings of negligible mass to a pulley with two radii R1 = 0.26 m and R2 ...

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Q: Q6/ The first scientist who discovered the nucleus of the atom is:

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Q: *12–4. A particle travels along a straight line with a constant acceleration. When s = 4 ft, v = 3 f...

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Q: World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly ...

A: Given data: Acceleration,a=15m/s^2 Mass,m= 55 kg We know that force,F = ma F = 55 × 15 F= 825 N

Q: An electric bike starts from rest and accelerates at a rate of 5.0 m/s2 in a straight line until it ...

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Q: An astronaut with a mass of m = 72.1 kg uses the Body Mass Measuring Device on the International Spa...

A: To solve the given problem, we will use the formulas for the spring-mass system. Given: The mass of...

Q: Answer the following questions. A. 1. How did Greek philosophers contribute to the discovery of the ...

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Q: 12–22. A sandbag is dropped from a balloon which is ascending vertically at a constant speed of 6 m/...

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Q: Can kinematic equations be used to describe the motion of a projectile? If so, which equations?

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Q: 3. You are lying on a beach, wearing a polarized sunglasses with your head tilted at 80° with respec...

A: The intensity of polarized light through a polarizer is given by I1 = Iocos2θ, where Io = the intens...

Q: If the angle is 45 degrees is increased, is there a possibility that the sphere will not roll, but r...

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Q: CeLAumb's Two charges, Q =-9.8 x 104C and Q2 exert a total force of 603N in the +x direction on a th...

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Q: "An engine manufacturer makes the claim that the engine they have developed will, on each cycle, tak...

A: Given : Heat taken , Q1 = 100 J Mechanical Work, W = 80 J  Heat out, Q2= 20 J  Temperature of source...

Q: In a laboratory experiment on friction, a 135-N block resting on a rough horizontal table is pulled ...

A: Part a) When the pull is applied on the block while it is resting on the table, the friction that ac...

Q: rizontal. What is the rate at which the force does work on the block?

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Q: Data Table: Elongation (cm) (Adding) Elongation (cm) (Subtracting) Mass Added (g) Force Added (N) 10...

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Q: A circular plane whose r=2.2m is placed in an electric field E=800N/C. The electric field makes an a...

A: Answer:-  Answer (1)  Given  Electric field (E) = 800 N/C  Radius of a circular plane (r) = 2.2 m  A...

Q: Consider the wave described by: y(x, t) =4.21 sin(106 x-17.1 t) mm Write down an equation to describ...

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Q: An infinitely long nonconducting cylinder of radius R carries a uniform volume charge density of p(r...

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Q: typical color television draws 2.5 A of current when connected across a potential difference of 110 ...

A: Given: Current (I) =  2.5 A Voltage (V) = 110 V 

Q: In front of your house, there are three, long power lines attached to electrical posts each carrying...

A: Given: i = 100 AL =35 cm = 0.35 m

Q: 2. For your science project, you created a flat loop of wire consisting of a single turn of cross-se...

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Q: Consider a silicon pn junction at T 300 K with acceptor doping concentrations of 1016 cm- and donor ...

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Q: An introduction to thermal physics

A: Thermal Physics : it is the combined study of thermodynamics, statical mechanics, and kinetic theory...

Q: Consider a silicon pn junction at T = 300 K. Assume the doping concentration in the n region is 1020...

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Q: One second is defined as the time it takes for the radiation from a Cesium – 133 atom to  complete 8...

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Q: In the figure, block 1 has mass m1 = 450 g, block 2 has mass m2 = 520 g, and the pulley is on a fric...

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Q: A stereo with a resistance of 65 Ω is connected across a potential difference of 110 V. What is the ...

A: Given  Resistance R=65Ω  Potential difference V=110V  

Q: ice at 0.0 °C. How much energy (in Joules) must be supplied to the machine to achieve this task? So....

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Q: What will be acceleration of a body of mass 7 kg if a force of 420 N is applied to if ?

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Q: In the figure, block 1 has mass m1 = 470 g, block 2 has mass m2 = 580 g, and the pulley is on a fric...

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Q: in a workout session, Ali used a threadmill when he worked at an average rate of 450 joules per seco...

A: Given, Rate of work done by Ali = 450 J/s Rate of heat flow = 795 J/s Heat is flowed out of the body...

Q: O Considering electron and proton as two charged particles separated by d = 5 x 10-11 m calculate th...

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Q: The ball is kicked from a ground level with an initial velocity of 10 m/s at an angle of 30 degrees....

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Q: The velocities of the particles at an instant are VA = 5m/s and VB = 7m/s, with the angle between th...

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Q: Consider a silicon pn junction at T = 300 K with an acceptor doping concentration (1 x 1018 cm-³) an...

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