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Q: How do photons compare to electrons? What's different? Photons massless? Are they charged? Can they…

A: Photons and electrons are two fundamental particles in the universe, but they different several ways…

Q: Here we go again (yes, this set of questions is starting to feel like Groundhog Day). You AGAIN wake…

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Q: (d) the beginning and (e) the end of this time interval? Only need help with D E part of problem

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Q: Assuming no friction, calculate the speed at point 3. Express your answer to two significant figures…

A: Given:-  The roller-coaster car shown in the figure as  Find:- a) Calculate the speed at point 2…

Q: As part of a carnival game, a my = = 0.653 kg ball is thrown at a stack of 23.8 cm tall, m, = 0.363…

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Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

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Q: As the drawing illustrates, two disks with masses m₁ and m2 are moving horizontally to the right at…

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Q: An electromagnetic wave strikes a 1.11-cm² section of wall perpendicularly. The rms value of the…

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Q: A 1840 kg car has just passed a diner. The closest the car came to the diner was R = 36.5 m, but the…

A: Given mass of car = m = 1840 kg distance traveled by car = x = 22.7 m R = 36.5 m time taken to…

Q: approaching directly from the east. At first observation, the range to the plane is d₁-416 t 40°…

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Q: A 20kg child is bouncing in a bounce house on his birthday. During a certain interval after the kid…

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Q: A young jedi knight applies a force of -34N2 + 14Nỹ through a displacement of -12mx - 4.5mỹ over a…

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Q: An argon-ion laser produces a cylindrical beam of light whose average power is 0.743 W. How much…

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Q: Consider the track shown in the figure. The section AB is one quadrant of a circle of radius 2.0 m…

A: Given Data: Mass of block: m = 1 kg Section AB is a quadrant of frictionaless circle of radius: r =…

Q: Alex is asked to move two boxes of books in contact with each other and resting on a frictionless…

A: a)as per newton's second law of motionFnet=maFp=mA+mBaa=FpmA+mB =9.3 12.1+7 =0.487 m/s2

Q: 2. Suppose that the electric potential outside a living cell is higher than that inside the cell by…

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Q: A circular coil (830 turns, radius = 0.048 m) is rotating in a uniform magnetic field. At t = 0s,…

A: Given : Number of turns in the coil, N = 830 Radius of the coil, r=0.048 m Time taken to rotate the…

Q: An electric-powered snow-thrower machine throws snowballs 0.3 kg each at a speed of 9 m/s. The…

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Q: Q23. A pulley system consists of six identical pulleys arranged in two groups of three as shown…

A: 23) To find the mechanical advantage of the pulley system, we need to count the number of ropes that…

Q: A wave has a period of 10 seconds, determine a. its wavelength and celerity in 200 m deep water b.…

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Q: Refer to the figure below. Let the mass of the block be 9.1 kg and the angle @ be 60°. Frictionless…

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Q: The flywheel of a steam engine runs with a constant angular velocity of 240 rev/min. When steam is…

A: Given data: The initial angular velocity of flywheel is ω=240 rev/min The wheel stop at t = 2.6 h =…

Q: A stick is resting on a concrete step with of its total length L hanging over the edge. A single…

A: The second law of rotational motion/ Law of rotational acceleration/ Torque law: It states that the…

Q: 1. A dog running in an open field has components of velocity v, -2.6 m/s and v-2.8 m/s att, 10.0 s.…

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Q: Question 7 Calculate the total resistance of the circuit shown below. 24 Ω A B C D 16 Ω 24 Ω 72 Ω 48…

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Q: What is the net force on the ball and which direction will it roll? 30N West ON South ON North 30…

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Q: A spring oscillator is designed with a mass of 0.288 kg. It operates while immersed in a damping…

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Q: TCS g to another question will save this response. Gauss' Law for Electrostatics Coulomb's Law…

A: Gauss' Law for Electrostatics can be derived from Coulomb's Law. Coulomb's Law states that the…

Q: OK, yet another strange awakening in a room with no windows. This time you drop a ball from a height…

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Q: 2. A 10.0 kg block is pushed against a horizontal spring that has a spring constant of 15.0 N/m. If…

A: Given Data :Mass of block m = 10 kgspring constant k = 15 NmDisplacment in spring x = 0.05 mlet v…

Q: (a) How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

A: Given data:  Mass (m) = 7×109 kg Height (h) = 34.0 m The daily food intake of a person = 1.2×107 J…

Q: 270kg load is lifted 21.0m vertically with an acceleration a=0.170g by a single cable. A. Determine…

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Q: A uniform ladder rests against a smooth vertical wall and on a rough horizontal ground. The weight…

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Q: A uniform metal bar is 5.00 m long and has mass 0.300 kg. The bar is pivoted on a narrow support…

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Q: For the circuit shown in the figure find the potential difference across each resistor.

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Q: V₁ = R₁ = 50 -W- V₂= 5a R₂ = 150 VT=

A: Given data: The first resistance is R1=5 Ω The second resistance is R2=15 Ω The current in the…

Q: Macmillan Learning A planet is in an elliptical orbit around a distant star. At periastron (the…

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Q: An empty cylindrical barrel is open at one end and rolls without slipping straight down a hill. The…

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Q: Suppose a box of mass m slides toward a spring with a speed of vi, presses 1.00 m into the spring,…

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Q: A 0.25 kg puck, initially at rest on a hor- izontal, frictionless surface, is struck by a 0.218 kg…

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Q: A uniform solid sphere of mass M and radius R is rolling without sliding along a level plane with a…

A: a) Apply the enegry conservation equation and substitute the corresponding values to calculate the…

Q: A car rams into two trash cans as shown in this collision diagram: 0 can car car Create two…

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Q: Most gasoline engines in today's automobiles are belt driven. This means that the crankshaft, a rod…

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Q: An object is placed in front of a converging lens in such a position that the lens (f = 12.8 cm)…

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Q: An inductance coil operates at 240 V and 60.0  Hz. It draws 15.7 A. What is the coil's inductance?…

A: Given data: Voltage at which the coil operates, V=240 V Frequency at which the coil operates, f=60…

Q: You hang a 30 kg mass from the end of a rod that is 12 m by 2 mm by 2 mm. You observe that the rod's…

A: To solve this problem, we need to use the concepts of stress and strain. Stress is defined as the…

Q: 40v I3 = ____________ R₁ = R₁ -M 20v R3 = 100 I₁ = R₂ = V₁ = R₂ 10v

A: According to Ohms law potential drop accross a resistance R is given by,  V = IR Where I is the…

Q: How much work is required to lift a 500-kg satellite to an altitude of 3⋅10^6 m above the surface of…

A: Given: The mass of the satellite, m = 500 kg The mass of the Earth, M = 6×1024 kg The radius of the…

Q: bucket of water of mass 20 kg is pulled at constant velocity up to a platform 45 meters above the…

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Q: A solid block is suspended from a spring scale. If the reading on the scale when the block is…

A: We can use Archimedes' principle to solve this problem, which states that the buoyant force on an…

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: