A pure dipole (p = 5.5x 10-9 C.m) is situated at the origin pointing in the positive y- direction. The potential at the point (3m, 4m, 0) is: O 0.04 V O 51.08 V O 12.58 V O 1.58 V

Q: An object moves with a speed of 2.4 m/s in a circle of radius 1.6 m. Its centripetal acceleration is…

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Q: An automobile engine slows down from 3100 rpm to 1500 rpm in 2.3 s . a) Calculate the total…

A: Given data:  Initial angular velocity (ω0) = 3100 rpm Final angular velocity (ω) = 1500 rpm Time (t)…

Q: Part C If you change the period of the engine to 0.045 s , how many rpms is it doing? Express your…

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Q: The length of a blade of a helicopter is 5_m, and the blade spins at 350_rev/min. Find the…

A: Centripetal accelerationac=ω2r=350 revmin25 m=350 revmin×2π radrev×min60 s25 m=6717 ms2

Q: Suppose that an electric dipole with dipole moment is in a region of a uniform electric field E.…

A: a. The net force on the dipole is not necessarily zero. The force on the positive charge of the…

Q: NASA’s 20-G centrifuge (https://www.nasa.gov/ames/research/space-biosciences/20-g-centrifuge) can be…

A: The equation for centripetal acceleration is, ac=rω2 the angular velocity is, ω=31…

Q: Leopold accelerates a 3 kg ball 4.0 m/  The vertical acceleration of the ball is zero. The force of…

A: Given:m=3kgax=4.0 m/s2ay=g=9.8 m/s2

Q: A square loop of wire with a small resistance is moved with constant speed from a field free region…

A: emf induced in the loop of changing magnetic field: According to Faraday's law of electromagnetic…

Q: A child sitting 1.30 m from the centre of a merry-go-round. He moves with 1.70 m/s Calculate the…

A: Radius of circular path r = 1.30 m Velocity of child v = 1.70 m/s Centripetal acceleration ac = ?…

Q: High-altitude mountain climbers do not eat snow, but always melt it first with a stove. Part A To…

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Q: Find the potential difference between point a and point b for the situation shown below. Here &₁ =…

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Q: Explain the purpose of the radial/centripetal acceleration of a rotating object.

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Q: Conver 2.5 radian into degrees.

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Q: What is the compass direction in degrees connecting you from the starting point to the final…

A: The objective of this question is to find the compass direction in degrees from the starting point…

Q: 43 ILW What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel…

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Q: (c) Electron beams are used to investigate crystal structure. Explain how the de Broglie wavelength…

A: Important aspects that are essential for answering this question are De Broglie hypothesis says…

Q: What is the average linear speed of the Earth about the Sun?

A: The given data are: r=1.496×1011 mT=365 days=365×24×3600 s=31536000 s Here, r denotes the distance…

Q: A figure skater is initially spinning with his arms and one leg outstretched at 50 rpm. By slowly…

A: The expression from angular kinematics,

Q: 10. A bicycle wheel (think cylindrical shell), a hollow sphere, and a solid sphere each have the…

A: Given a bicycle wheel(thin cylindrical shell), a hollow sphere , a solid sphere  each having same…

Q: A disk spins at 4.0 revolutions/second. What is its period, in second?

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Q: determine the centripetal acceleration of a moving car at a velocity of 40.0 km/h in a curve of…

A: Given  Velocity of the car is v=40.0km/h=40.0×10003600m/s=11.1 m/s Radius of the curve is r=20.0 m…

Q: I need help with this HW question

A: Gravity provide the necessary centripetal force

Q: For centripetal acceleration, why not use ac = r * W2?

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Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a…

A: The expression for the centripetal acceleration is

Q: A wind turbine is rotating counterclockwise at 0.75 rews and slows to a stop in 10 s. its blades are…

A: initial angular speed = 0.75 rev/s = 4.71 rad/sec t = 10 sec Final angular speed = 0 Using equation…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.