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Explain why birds can roost on high-voltage wires without being

electrocuted

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Physics

Find answers to questions asked by students like you.

Q: How far must the point charges q1 = +6.22 mC and q2 =-22.1 mC be separated for the electric potentia...

A: q1 = + 6.22 mC q2 = - 22.1 mC Potential energy, U = - 106 J

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A: Given Data: Loop resistance=R Width of the loop=W Applied field=B Velocity of the loop=vo Let length...

Q: What physical quantity do resistors connected in parallel have incommon?

A: resistors connected in parallel

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A: An equipotential surface is one in which all the points are at the same electric potential. If a cha...

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A: Newton's second law of motion is, Fnet=ma Here, m is mass and a is acceleration. Assume Rosa is push...

Q: One day you notice that the outside temperature increased by17 F° between your early morning jog and...

A: Temperature, T = 17 F°

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A: Let, the temperature in Celsius be denoted by 'C' and the temperature in Fahrenheit be denoted by 'F...

Q: Can i get help with this problem

A: Given: The mass of the cart is 750 kg. The velocity is 15 m/s. The height is 40 m.

Q: Knowing that the severity of a shock depends on the magnitude of the current through your body, woul...

A: Series or parallel

Q: Find the magnetic flux through a round coil of wire which has an area of 75cm2. The magnetic field s...

A: Given: The area is A=75 cm2. The magnetic field strength is B=7 T. The angle made by magnetic field...

Q: A frame-by-frame analysis of a slowmotion video shows that a hovering dragonfly takes 7 frames tocom...

A: (a) 240 frames=1 second1 frame=1240 second7 frames=7240 secondsPeriod of 1 wing beat=7240=0.0292 s T...

Q: A small rock with a mass of 6 g is dropped into a graduated cylinder with 20 mL of water. The water ...

A: The principle used here is that the volume of the rock is equal to the volume of the water displaced...

Q: Nicholas is at The Noah's Ark Amusement Park and preparing to ride on The Point of No Return racing ...

A: Given Data: Mass of the Nicholas, m=72.6 kg Slide height, h=28.5 m g=9.8 m/s2

Q: Which part of the EM spectrum has the longest wavelength?

A: The electromagnetic spectrum consists of several parts like gamma rays, X-rays, UV-rays, IR, microwa...

Q: A vibrating structural beam in a spacecraft can cause problemsif the frequency of vibration is fairl...

A: Amplitude, A = 0.25 mm Frequency, f = 110 vibrations per second

Q: A 4.0 cm tall light bulb is placed a distance if 35.5 cm froma convex mirror having a focal length o...

A: Given: A 4.0 cm tall light bulb is placed a distance if 35.5 cm from a convex mirror having afocal l...

Q: In uniform circular motion, how does the acceleration change when the speed is increased by a factor...

A: speed is increased by a factor of 3 When the radius is decreased by a factor of 2

Q: P-6.8

A: Given: The mass of the lamp is 30 kg. The angle is 30°.

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A: Given, A grass string trimmer has 100 g of cord wounded in a spool The diameter of the spool are, In...

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A: The distance traveled by rocket is, The time taken by the rocket to travel the given distance is,

Q: A ball is thrown against a wall; the ball bounces off and returns with speed equal to the speed it h...

A: (a) Option A is false, because change in momentum will be, mv--v=2mv (B) This option is correct, b...

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A: Given: The compression in spring is x=12 cm. The potential energy is E=72 J. The potential energy a...

Q: Suppose that your bathroom scale reads your mass as 65 kg with a 3% uncertainty. What is the uncerta...

A: δA%=Uncertainity=3%A=Reading=65 kg

Q: How many nanoseconds does it take light to travel 1.00 ft in vacuum?

A: The speed of light is given by, v=st t=sv Given that, s=1.0 ft =0.3048 m

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A: The expression for find decrease in volume is B=-PV0∆V∆V=-PV0B

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A: Introduction: If forces are acting in such a direction that their line of action meets at a single p...

Q: A system of 1525 particles, each of which is either an electronor a proton, has a net charge of -5.4...

A: The total number of particles in this system, N=1525 The net charge, Q=-5.456×10-17 C Since the ...

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A: Given: Forward Force Ff= 10 N plane acceleration a=2 m/s2 airplane mass m= 0.20 kg

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A: Given data: The separation distance between plates is d=1.5 mm=1.5x10-3 m. Part-(a) Given data: ...

Q: You have a pulley 11.8 cm in diameter and with a mass of 1.4 kg. You get to wondering whether the pu...

A: The radius of the disk is r=d2=11.82=5.9 cm=0.059 m The moment of inertia of the considering as d...

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A: Click to see the answer

Q: The Earth has a vertical electricfield with a magnitude of approximately 100 V>m near its surface...

A: Electric field, E = 100 V/m distance, d = 555 ft = 169.2 m

Q: Astronomy Briefly explain what evidence we can use to learn about the lives of stars even though t...

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want rem...