In a dentist's office an X-ray of a tooth is taken using X-rays that have a frequency of 6.28 x 1018 Hz. What is the wavelength in vacuum of these X-rays?

Q: The weight in the figure below hangs from a long board of negligible weight. Find the tension T  in…

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Q: A high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 1.40 x 107 N/m² and a…

A: Given data: Initial volume, Vi=70 L Initial pressure, Pi=1.40×107 N/m2 Initial temperature,…

Q: A wheel (radius = 0.30 m) is mounted on a frictionless, horizontal axis. A light cord wrapped around…

A: The tension T acts upwards on the object and downwards on the wheel. The equations of motion for…

Q: 13. Find the net force on qo. Express the force as both a magnitude and direction. The units of the…

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Q: an ideal transformer, it is known that the primary coil has 200 turns and the secondary coil has 10…

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Q: as in a container is at a pressure of 4.20 atm and a volume of 8.00 m³. (a) What is the work done on…

A: Given: Pressure contained is = 4.20 atm Volume of gas = 8.00 m3 To find:  Work Done on the Gas

Q: An object 2.50 cm tall is placed 20.0 cm from a converging lens. A real image is formed 9.00 cm from…

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Q: Electrons in the picture tube of an old-style television travel at 1.25 x 108 m/s. At this speed,…

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Q: A B 2 K Submit Answer Tries 0/2 C 3 What is the Electric Field at point E? (in units of N/C) N/C D 4…

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Q: 1) A sinusoidal electromagnetic wave is propagating in vacuum. At a given point the intensity of the…

A: GivenIntensity, I=0.45 W/m2fromula that we will be using isI=εoEo2c2

Q: A water wave traveling in a straight line on a lake is described by the equation y (x, t) = (2.75…

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Q: 4. This Olympic skeleton athlete slides down an icy track head first. The track has many twists and…

A: The total energy at the top will be the potential energy of the athlete. The athlete needs to…

Q: Dizzy is speeding along at 31.1 m/s as she approaches the level section of track near the loading…

A: Initially speed of Dizzy's car =31.1m/s Final speed of Dizzy's car =3.5m/s Distance cover during…

Q: A leaf of length his positioned d= 70.3 cm in front of a converging lens with a focal length of 34.0…

A: Given data: The focal length, f=34.0 cm=0.34 m The object distance, u=d=70.3 cm=0.703 m

Q: An aluminum ring of radius r₁=5.00 cm and a resistance of 3.95 x 10-4 is placed around one end of a…

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Q: A Disney Cruise-ship decides to test its new sea monster attack mechanism by shooting a cannonball…

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Q: A golf ball is driven at an angle of 45.0 O against the horizontal at an initial velocity of 40.0…

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Q: girl and boy are moving a wagon full of books across the floor at a constant speed, as shown below.…

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Q: A cylindrical storage tank has a radius of 1.42 m. When filled to a height of 3.62 m, it holds 15700…

A: Given data:  A cylindrical storage tank  Radius (r) = 1.42 m Height (h) = 3.62 m Mass (m) = 15700 kg…

Q: Select the defraction limit for an optical imaging system whose collection optics have a NA of 1.00,…

A: The given data we have: NA=1.00 λ=500nm   The objective is to calculate the diffraction limit.

Q: list some of the variables that could cause the nergy withthin a system to change.

A: Given That list some of the variables that could cause the nergy withthin a system to change

Q: Please refer to part (a) of Figure 1 included. Here, alpha (the angle at the top of the triangular…

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Q: A25.0 m inductor is connected across an AC generator that produces a peakvotage of 10.3V You may…

A: inductance(L)=25 mH PEAK VOLATGE(v)=10.3 V

Q: Mechanical energy is conserved when a system is Select all that apply. isolated in equilibrium an…

A: Ans is Isolated

Q: In astronomy, distances are often expressed in light- years. One light-year is the distance traveled…

A: Given data:  Distance traveled (d) = 4.9 light years 1 year = 365.25 days Required: The distance in…

Q: b m I I Vi I I I M L

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Q: The heat of vaporization of water is 540 cal/g, and the heat of fusion is 80 cal/g. The heat…

A: We will need the total heat for three steps 1) converting ice at -15°C to ice at 0°C. 2) converting…

Q: 0. a. One of the main contributing factors to the extinction of the dinosaurs 65 million years ago…

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Q: The container shown is filled with mercury. It is open to atmosphere on the left and closed on the…

A: Pressure is a function of depth and increases with depth.. At the same depth the pressures are…

Q: 9. A spaceship that is 50 m long as measured by its occupants is traveling at a speed of 0.1c…

A: It is given that the length of the spaceship is L0=50 m measured by the observer with a speed…

Q: A rock is dropped from high above the surface of the Earth. The initial speed is 0, and the initial…

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Q: What element is notably deficient in Saturn's atmosphere, and why? How is this related to Saturn’s…

A: Saturn in the second largest planet of our solar system and it is placed at the sixth position from…

Q: The wave function y(x, t) for a certain standing wave on a string fixed at both ends is given by…

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Q: how do we figure out Step 1

A: The Hubble time is given by t=1H0. H0 is the Hubble constant.

Q: An object of 1 cm tall is placed in front of a converging lens of focal length of 2 cm. The object…

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Q: 1. A metal ring with a clockwise current produces a magnetic field (Right- Hand-Rule). If the…

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Q: d) A projectile is fired with v, = 25 m/s and angle = 45°. Therefore, calculate the followings: Draw…

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Q: 9. Calculate the deBroglie wavelength of the electron in a singly ionized helium atom when it is…

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Q: 2) Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by…

A: Given That                      Length of the board = 4.0m                     Mass Of the Board =…

Q: Which type of electromagnetic radiation could be described using photons? [State the properties of…

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Q: 2. Light of frequency 7.40 × 10¹4 Hz ejects electrons from surface (A) with a maximum kinetic energy…

A: Given, The frequency of the light, f=7.40×1014 Hz The kinetic energy of electrons ejected by surface…

Q: A solenoid is designed to produce a magnetic field of 3.40x10-2 T at its center. It has a radius of…

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Q: The wave function for a standing wave on a string is described by y(x, t) = 0.018 sin(4x) cos(71лt),…

A: Given, The wave function for standing waves is described by y(x,t) = 0.018sin4πxcos71πt, where y and…

Q: a box with the mass m = 2.60 kg, starting from rest, falls a vertical distance h = 55cm before…

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Q: A hollow sphere (M = 3.0 kg and R = 60 cm) is rolling down an inclined surface with a height of 2.0…

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Q: NEWTON'S LESSON 1 HOMEWORK Free-body diagrams for four situations are shown below. For each…

A: For Situation A,             Net force = (3+3+5+5) N                             = 16 N For…

Q: 7. An electron, traveling at a speed of 6.00 x 106 m/s, strikes the target of an X-ray tube. Upon…

A: We apply conservation of momentum before and after electron strikes the target mev1=mev2+px-ray now…

Q: Please refer to Figure 3, which shows the pattern of interference fringes for light of wavelength…

A: The fringe width (distance between the two center of two maxima) β is given by β=λDd where λ is the…

Q: Which action would require no work to be done on an object? O pushing the object along a horizontal…

A: Required: The action in which no work to be done on an object

Q: For every 1000 feet deep in the ocean, the temperature falls 4.50F. If the temperature at sea level…

A: Given,  For every 1000 feet deep in the ocean, the temperature falls 4.5 °F. Temperature at sea…

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”