HW4, Q3 The velocity selector in the figure is designed to allow charged particles with a speed of 4600 m/s to pass through undeflected. The magnetic field has a magnitude of 0.98 T .  Find the magnitude of the required electric field in N/C and Find the direction of the required electric field.

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Q: The wavelength of red helium-neon laser light in air is 632.8 nm. (a) What is its frequency?…

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Q: Two point charges of magnitude 4.0 μC and -4.0 μC are situated along the x-axis at x₁ = 2.0 m and x2…

A: Given data:  Two point charges Q1 = 4.0 μC = 4.0×10-6 C at x1 = 2.0 m Q2 = -4.0 μC = -4.0×10-6 C at…

Q: = = In the figure the current in resistance 6 is i6=1.44 A and the resistances are R₁ R₂ R3 = 2.450,…

A: Given : i6 = 1.44 A R1 = R2 = R3 = 2.45 ohm R4 = 14.5 ohm R5 = 8.56 ohm R6 = 4.07 ohm

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Q: Thermal energy is produced in a resistor at a rate of 94.6 W when the current is 3.63 A. What is the…

A: Given data:  Power (P) = 94.6 W Current (I) = 3.63 A Required: The resistance (R)

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Q: Find the net torque on the wheel in the figure below about the axle through O, taking a = 12.0 cm…

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Q: A circular coil (620 turns, radius = 0.087 m) is rotating in a uniform magnetic field. At t=0s, the…

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Q: You cook your meal at 350 F for 60 mins. This uses about 2.5kWh of electricity. What will it cost…

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Q: Two particles are fixed to an x axis: particle 1 of charge q₁ = 2.69 × 108 Catx=20.0 cm and particle…

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Q: At what speed (in meters per second) must the sliding rod in the figure below move to produce an emf…

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Q: A converging lens is sitting 40 cm to the left of a diverging lens. An object is 50 cm to the left…

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Q: The angular position of a point on a rotating wheel is given by 0= 7.63 +2.12t² +2.41t³, where 0 is…

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Q: Consider the Bohr energy expression (Equation 30.13) as it applies to singly ionized helium He* (Z =…

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Q: A 1.5-V battery is connected to a circuit and puts out a current of 0.45 A. How much power is the…

A: Given voltage V = 1.5V Current I  = 0.45A Power P =? P = VI

Q: The plates of a spherical capacitor have radii 47.0 mm and 51.6 mm. (a) Calculate the capacitance.…

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Q: A cube of wood having an edge dimension of 19.4 cm and a density of 652 kg/m³ floats on water. (a)…

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Q: An electron that has a velocity with x component 2.3 x 106 m/s and y component 3.5 × 10 m/s moves…

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Q: A horizontal aluminum rod 4.9 cm in diameter projects 7.3 cm from a wall. A 1200 kg object is…

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Q: d) What is the work done by the gravitational force? Answer: - 196 J e) What is Wnet, the net work…

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Q: 1) A charge +3q is placed at x = 0 and a charge +11q is placed at x = 5 units. Where along the…

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Q: In the figure R₁ = 6.480 R₂ = 19.40, and the ideal battery has emf = 129 V. (a) What is the…

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Q: 6) A uniform electric field with a magnitude of 5 x 106 N/C is applied to a cube of edge length 0.1…

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Q: Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled at…

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Q: The charges and coordinates of two charged particles held fixed in an xy plane are q1 = 2.77 μC, x₁…

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Q: In the figure R₁ = 1200, R₂ = R3 = 55.00, R4 = 73.7 0, and the ideal battery has emf ε = 6.00 V. (a)…

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Q: What is the focal length of a lens that focuses a real image of an object that is 5 m ahead of the…

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Q: (II) Two locomotives approach each other on parallel tracks. Each has a speed of 155 km/h with…

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Q: Direction: Use the reference case to convert the temperature in F scale. Type your answer in the…

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Q: The charges and coordinates of two charged particles held fixed in an xy plane are q₁ = 2.52 μC, x₁…

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Q: What is the focal length of a lens that focuses a real image of an object that is 5 m ahead of the…

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Q: A 0.417 kg mass is attached to a string with a force constant of 53.9 N/m. The mass is displaced…

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Q: What is the ratio between the force of gravity of the Earth on the Moon and the Earth on a…

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Q: Since the ambulance is the source of the sound, let v represent the magnitude of the velocity of the…

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Q: One long wire lies along an x axis and carries a current of 64 A in the positive x direction. A…

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Q: Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled at…

A: Given, Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled…