Suppose three negative charges are equally spaced on a semi-circle of radius R as shown. What is the direction of the electric field at the origin?

Q: 2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her…

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Q: 2. A person decides to swim across a river 84 m wide that has a current moving with a velocity of…

A: According to guideline I solve only first 3 subparts of question 2.

Q: Question 8 If an electron is emitted from a photoelectric surface of a photoelectric cell with…

A: Given kinetic energy of emitted electron is Kmax=8.5 eV

Q: QUESTION 10 An ideal gas occupies 400 m³ at a pressure of 250 Pa. If the volume is changed to 100 m3…

A: 10. Let the initial pressure of the ideal gas be P1, the initial volume of the ideal gas be V1, the…

Q: Question number 1 is not 1.43

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Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: Would it be a minus sign instead of a positive one ?

A: Yes , it would minus sign.  Complete solution is below.

Q: Insert Draw View Help O DO ņ B Share ... - Window a 目 CC Live Captions A 80.m Ferris wheel…

A: Given Ferris wheel complete 20 revolution . (a) In one complete revolution , Ferris wheel cover…

Q: 4. A drop of oil falls down onto the road from the engine of a moving car every 5 s. Motion is…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Directions: Briefly and concisely answer the following questions. 1. What is the net force? 2. How…

A: The problem is based on the concept of force on a  particle placed inside the electric and magnetic…

Q: 11. Determine the power that is taking by R2 in figure 6-3. (Hint: refer to page 47 of your work…

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Q: Two spherical drops of mercury each have a charge of 0.13 nC and a potential of 300 V at the…

A: Given: The given details are, Two spherical drops of mercury each have a charge of 0.13 nC and a…

Q: A batted baseball is hit with a speed of 45 m/s starting from an initial height of 1 m. Find how…

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Q: 24. When someone on Earth drops a rock, it accelerates at about 10 m s2. When a rock is dropped on…

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Q: 1. A sinusoidal wave traveling in the positive x direction has an amplitude of 15.0 cm, a wavelength…

A: General expression for any wave function is given byy=Asinωt-kx+ϕ Where, Ais the amplitude k is…

Q: 51. An artillery specialist practicing at a firing range on a flat stretch of ground fires a shell…

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Q: 2. Suppose that the velocity of an object at time t seconds is 3t2 - Vt +3+ 2. At t = 0, the…

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Q: An object of mass M is attached to a string. The length of the string is r and has no mass. The…

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Q: 3.) A car travels 55 miles per hour for 2 hours at a constant speed. What speed is the car going? *…

A: given speed (constant speed) = 55 miles per hour time = 2 hours

Q: Consider the mass spectrometer shown schematically in the figure below. The magnitude of the…

A: Electric field (E) = 2800 VmMagnetic field (B) = 0.04 T Charge (q) = 1.6×10-19 C mass (m) =…

Q: The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive…

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Q: You are asked to consult for the city's research hospital, where a group of doctors is investigating…

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Q: 1.A motorboat was moving E 20° S] at 50.0 km/h. The operator then turned the boat E 20° N] and…

A: 50kmph E 20° S  30kmph E 20° N  East and West as X axis  North and South as Y axis  T= 5min

Q: (e) magnetic force on a proton O to the right O to the left upward downward O into the page

A: Given:  the direction of velocity and the strength of magnetic field is given.

Q: (5) A 15.0A current produces a B field at the center of an arc of angle n/4 radians and radius…

A: (5) Given Current (I) = 15.0 A Radius (r)  = 0.500 m Angle θ  = π4 radians

Q: How do you find V0

A: Given:Initial speed of the flea = voMaximum height attained = 0.520 m

Q: I need help with question 10 please.

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Q: A 4.80-kg block is set into motion up an inclined plane with an initial speed of v₁ = 8.20 m/s (see…

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