The radius of the 5th orbit of hydrogen atom is 13.25 A. Calculate the wavelength of the electron in the 5th orbit.

Q: A wire of length L is made up of two sections of two different materials connected in series. The…

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Q: A cylinder has a radius of 2.1cm and a length of 8.8cm. Total charge 6.1 X 10^ -7 C is distributed…

A: Radius of cylinder is r=2.1 cm Length or height of cylinder is h=8.8 cm Total charge uniformly…

Q: Gulf Stream off the east coast of the United States can flow at a rapid 3.2 m/s to the north. A ship…

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Q: The figure shows an object's acceleration-versus-force graph. (Figure 1) Figure a (m/s²) 4 3 2 0 0.0…

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Q: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum…

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Q: calculate, z = x + y

A: In this question we have to calculate z = x + y using the given values and uncertainties, we can…

Q: Kaleb has decided to forget about flying and buys a boat instead. If his boat increases its speed…

A: Initial speed = V0 = 5 m/sFinal speed = V = 7.5 m/sDistance = S =  50 mAcceleration = a = ?

Q: Forces F F 1' and Fact on the structure shown below, at an overhead view. We wish to put the…

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Q: According to the Heisenberg uncertainty principle, one can precisely measure the position the…

A: The answer to this question is (d) Either; or.According to the Heisenberg uncertainty principle, it…

Q: A tennis player hits a volley just above ground level, in a direction perpendicular to the net. The…

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Q: m the circuit shown in the figure, VA = VB = 22.0 V and R₁ R₂ = R₁ = R₁ = R₁ = 100.0 92. Current Is…

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Q: 1. (a) The number of kilocalories in food is determined by calorimetry techniques in which the food…

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Q: A 2kg mass is attached at the end of a cord 1m long and whirled in the vertical plane.find the…

A: Maximum speed  V=lgV=1×10V=3.16 m/s

Q: A 65 cm ^3 block of iron is removed from an 800 degree C furnace and immediately dropped into 200 ml…

A: Volume of iron block Density of iron Mass of water Let m is mass of vaporized water.Specific heat of…

Q: Does the big balloon travel faster or slower than the small balloon in the balloon rocket…

A: Answer:- In the balloon rocket experiment, the big balloon will travel slower than the small…

Q: A stone is thrown vertically upward from the ground with a velocity of 49m/s. After 2 seconds,…

A: Velocity of stone 1, v1 = 49 m/sTime taken by stone 1 to hit the ground = t1 secTime taken by stone…

Q: During the isobaric expansion from A to B represented below, -80 J of heat is removed from the gas.…

A: Heat removed = -110 J

Q: a projectile is launched at the top of a 100m tall building at an angle of 30 degree to the…

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Q: A light wave has a frequency of 5.06 × 1014 cycles per second. (a) What is the wavelength? |x 10-7 m…

A: As per guidelines, only 3 subparts are solved here. A light wave has a frequency of 5.06×1014 cycles…

Q: X (m) 0 -0.2 -0.4 -0.6 -0.8 -1.0 KQ 0 0.5 1.0 LINEAR x-range: 0.00 - 3.45 s y = mx + b m: -0.2916 b:…

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Q: The disk has an angular acceleration a = 8 rad's and angular velocity = 3 rad's at the instant…

A: Given information Disk has angular acceleration = 8 rad/sec^2 Radius of disc = 0.5 m

Q: Sketch a graph of binding energy per nucleon against mass number, labelling the points where H, H,…

A: To Sketch a graph of binding energy per nucleon against mass number, labelling the points where 2H,…

Q: In the figure, a spring of spring constant 3.60 x 104 N/m is between a rigid beam and the output…

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Q: Determine the applied force required to accelerate a 2.44- kg object rightward with a constant…

A: See below

Q: The electric field due to a length of wire through a Gaussian surface in the form of a cylinder of…

A: Electric field E= 5*102 N/C Radius r= 4cm = 4*10-2 m Height h= 2mm = 2*10-3 m           “Since you…

Q: Suppose you have two wires placed horizontally. lets say the first carries a current l1=90A. The…

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Q: A 100 kg fullback runs at the line of scrimmage. (a) Find the constant force that must be exerted on…

A: Given Data: Mass (m) = 100 kg.Distance (∆x) = 1.1 m.Time (t) = 0.23 s. To Determine: (a). The…

Q: You have been called to testify as an expert witness in a trial involving a head-on collision. Car A…

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Q: (Figure 1), F = {500i – 300j + 400k} N. Part A Determine the magnitude of the projection of the…

A: Given,So, vector Projection of vector

Q: speakers nt of one speaker as shown. The sound she hears will be most intense if the wavelength is:…

A: Phase difference ∆∅=2πλ×∆x(∆x=5-4)∆∅=2πλ×1For  most intensity ∆∅=nλSo, nλ=2πλPutting n=1 We get…

Q: 2. The old-style compact disc (CD) players used laser light shined upward to the bottom of the CD,…

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Q: Plot the graph of n₁sin (0₁) vs sin (0₂). Perform regression analysis and determine the equation of…

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Q: A contestant in a winter games event pushes a 40.0 kg block of ice across a frozen lake as shown in…

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Q: One side of a standard 8.5" x 11" piece of has a surface area of 93.5 in2.  How many square…

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Q: Magnesium has a work function of 3.7 eV. A.) What is the longest wavelength of light that will…

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Q: In the figure, a wire loop of dimensions L = 42.1 cm and W = 25.2 cm lies in a magnetic field. What…

A: According to the guidelines, when multiple subparts are given, then only the first three subparts…

Q: a) Draw the standing wave pattern in an open air column for the 4th resonant length. b) If the…

A: See below

Q: In the figure below, wheel A of radius r = 14 cm is coupled by belt 8 to wheel C of radius rc = 20…

A: See below

Q: A uniformly charged disk with radius R = 25.0 cm and uniform charge density = 7.40 x 10-3 C/m2 lies…

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Q: A Jaguar XK8 convertible has an eight-cylinder engine. At the beginning of its compression stroke,…

A: The main concept used to solve this problem is ideal gas equation, absolute pressure, and gauge…

Q: 5. Sketch resultant vectors to represent the strength and direction of the electric field at the…

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Q: Suppose you need to image the structure of a virus with a diameter of 50 nm. For a sharp image, the…

A: Given Data:De-Broglie wavelength To Determine:The kinetic energy of the electron.

Q: find the critical angle for light traveling from glycerine into air. Find the critical angle for…

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Q: A 2.1 kg mass at rest on a perfectly smooth (frictionless) table is attached to a fixed wall by a…

A: Δx=12.3cm m=2.1kg F=1,792N   Let, the maximum speed=v   let, spring constant=k   By Hook's law,…

Q: 2. A cart on a track has a large, positive charge on the top and is located between two sheets of…

A: Two sheets of charge one is positively charged and other is negatively charged, And a cart is placed…

Q: A man pulling an empty wagon causes it to accelerate at 1.4 m/s². Part A What will the acceleration…

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Q: A 5.58 kg object falls freely (ignore air resistance), after being dropped from rest. Determine the…

A: Solution:Given:m = mass of falling object = 5.58 kgg = gravitational acceleration = 9.81 m/s2There…

Q: 2.0 mol of gas are at 30°C and a pressure of 1.5 atm. Part A How much work must be done on the gas…

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Q: Given x = 2.00 ± 0.20 , y = 7.50 ± 0.31 , calculate, z = x + y   z=  ________ ± ________

A: To calculate the sum z = x + y, we need to add the central values of x and y, and then add their…

Q: How many moles are there in a cubic meter of an ideal gas at 100 degree celsius (C) to 4 digits of…

A: Volume of ideal gas (V) = 1 m3Temperature (T) = 100oC = 100+273.15 k = 373.15 k Pressure (P) = 0.25…

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: