If a 7.0-keV photon scatters from a free proton at rest, what is the change in the photon's wavelength if the photon recoils at 90°?

Q: Accelerating from rest, a top fuel race car can reach 338.2 mph (148.9 m/s), a record established in…

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Q: In Millikan's oil-drop experiment, one looks at a small oil drop held motionless between two plates.…

A: Given Data:Voltage Separation between the plates Density of oil Diameter To Determine:The charge on…

Q: A cat is 5cm away from a convex mirror. The image formed is magnified by 3x and inverted with…

A: Distance of cat from mirror u= - 5 cmMagnification m= 3

Q: 19. A 19 g rifle bullet traveling 230 m/s buries itself in a 3.5 kg pendulum hanging on a 28 m long…

A: Givenmass of rifle bullet mass of pendulum initial velocity of bullet initial velocity of pendulum…

Q: 1. Gravity: a. What is the magnitude and direction of the gravitational force that the Earth exerts…

A: a) since your mass is not known so for simplicity i have taken mass to be 70 kg, you can plug-in…

Q: The position of a particle as a function of time is given by x=(-2.00 m/s)t + (3.00 m/s³)t³ Part B…

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Q: Due to slipping, points A and B on the rim of the disk have the velocities VA = 4.2 ft/s and vp =…

A: Due to slipping points A and B on the rim of the disk have the velocitiesvA=4.2 ft/s, vB=8.4 ft/s

Q: Midterm 1 June 5, 2023 10. [] A point charge produces an electric flux of 400 Nm²/C through a…

A: According to gauss laq the flux associated with a closed surfacae enclosing charge Q is 1/epsilon…

Q: 1. Discuss briefly some applications of Lenz's law in magnetic induction. 2. The current through a…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Use Coulomb's law to determine the magnitude of the electric field at points A and B in (Figure 1)…

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Q: The water heating rod draws 10 A current when connected to a certain power source. The resistance of…

A: The power in a resistor is given by  P=I2R    where P is the power in watts               I is the…

Q: m A point charge q-2C is moving with velocity V (10 km/s) i. What is the y component of the magnetic…

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Q: In each case below, draw the free body diagram for the mar surfaces as needed but assume air drag is…

A: The mass of the object is m.The drag force is negligible.

Q: Question One mole of nickel (6 x 1023 atoms) has a mass of 59 grams, and its density is 8.9 grams…

A: Mass at the bottom  m = 149 kgElongation of the rod x = 1.12 cm = 0.0112 mGravitational acceleration…

Q: Two identical blocks 2.0 kg are stacked as shown in (Figure 1). The bottom block is free to slide on…

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Q: The near point (the smallest distance at which an object can be seen clearly) and the far point (the…

A: To solve any question we always need to focus on the information that are provided. In this case, a…

Q: 5. Consider a force of 5 N [NW], then a force of 5 N [SW]. Determine the equilibrant of the…

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Q: A given wire has a resistance of x ohms. If the wire is stretched to double its length and quadruple…

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Q: A ball is thrown upward, with an initial velocity of 35 meters per second, at an angle of 59° with…

A: The initial velocity of the ball is 35 m/s at an angle of 59o with respect to horizontal.The height…

Q: Which of the following is a good example of how the idea of an impulse could reduce injuries Group…

A: Write the impulse-momentum equation.So, the impulse is defined as the multiplication of the force…

Q: Shown below is a graph of velocity-versus-time for a moving object. The object starts at position x…

A: From the graphAt t = 0 x = 0 m Initial velocity = u = 5 m/s At t = 4 s v = final velocity = 15 m/s…

Q: A simple pendulum on the Moon has a length of 1.45m and a corresponding period of 5.93 seconds. What…

A: To determine the gravitational acceleration on the moon, we will use equation for time period of…

Q: Suppose that while moving into an apartment you move a refrigerator into place by sliding it across…

A: A good way to pass an item positioned at the floor (or any other added surface), a minimal pressure…

Q: a) Calculate the energies of the scattered photons for the angles given below Angle (degrees) 25 40…

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Q: If a sample of radioactive isotopes takes 60 minutes to decay from 200 grams to 50 grams, what is…

A: Initial value of radioactive isotopes = 200 gram.It reduces to amount 50 gram.Time taken to decay =…

Q: Conger 43.3 miles per hour to m/s

A: To convert miles per hour (mph) to meters per second (m/s), we can use the following conversion…

Q: densit table. ead is moving straight up with the constant velocity v. 1. What is the normal force…

A: To answer these questions, let's analyze the situation step by step:The normal force exerted by the…

Q: Calculate the de Broglie wavelength of a 1.2-kg rock thrown with a speed of 6.0 m/s into a pond. Is…

A: The de broglie wavelength say d related to a body of mass m and movi g witj velocity v is given as…

Q: Consider a 33.2 kg block of wood sliding with 2.8 m/s to the left (in the negative xdirection) on an…

A: we can use the conservation of momentum equation:Initial momentum = Final momentumInitial momentum…

Q: To the nearest hundredth of an hour, how many hours are required before a radio signal from a space…

A: According to the laws of reflection angle of incidence(i) is always equal to the angle of…

Q: A 4000 kg truck is parked on a 19° slope. You may want to review (Pages 141-145). Part A How big is…

A: Page 1

Q: A 0.185 kg golf club swings at an 18 degree angle and hits a ball that has a mass of 0.045 kg. How…

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Q: In Millikan's oil-drop experiment, one looks at a small oil drop held motionless between two plates.…

A: Voltage between the plates V = 2161 V.Separation between the plates d = 2 cm = 0.02 m.Density of oil…

Q: 6. To measure the tip of a sharpened pencil, which Metric measure would be best to use? millimeters

A: The different units of measuring length are kilometer, meter, centimeter, millimeter, nanometer,…

Q: % difference with capacitance

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Q: add the following four displacement vectors and determine the final displacement vector. Use a scale…

A: The question asks to find the final displacement vector by adding four given displacement vectors.…

Q: What is the maximum kinetic energy in eV of electrons ejected from a certain metal by 498 nm EM…

A: Wavelength is given Binding energy

Q: The rms speed of the molecules in 1.2 g of hydrogen gas is 1800 m/s What is the total translational…

A: Mass of hydrogen RMS speed

Q: In the figure below there are two concentric circular arcs of radii "a"and "b" and angle 8. Find the…

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Q: In the sum A + B = C, vector A has a magnitude of 12.2 m and is angled 44.3° counterclockwise from…

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Q: A uniform magnetic field B, with magnitude 1.2 Tesla, is directed vertically upward throughout the…

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Q: A plane flies with velocity v = ⟨220, −90, 10⟩ km/h. A wind is blowing out of the northeast with…

A: given,v=(220,-90,10) km/hw=(-30,-30,0) km/h(A)let w1 be component of w parallel to vthen(B)since w1…

Q: What is the minimum x-ray wavelength produced for a dental x-ray machine operated at 30 kV?

A: Given Data:Voltage To Determine:The minimum x-ray wavelength produced.

Q: A photon of wavelength 6.98 pm scatters at an angle of 152∘ from an initially stationary, unbound…

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Q: Two workers are sliding 460 kg crate across the floor. One worker pushes forward on the crate with a…

A: GivenTwo workers are sliding m= 460 kg crate across the floor.One worker pushes forward on the crate…

Q: A source of sound is moving at 10 m/s towards a stationary listener while producing a 1000 Hz pure…

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Q: 4. A tennis ball falling straight downwards hits the floor. At the time of interest, the ball is…

A: Given Data:Mass of the tennis ball Radius of the tennis ball To Determine:(a). The direction of…

Q: A truck with 0.8 m radius tires travels at 39 m/s. What is the angular velocity of the rotating…

A: Radius, r = 0.8 mVelocity, v = 39 m/sAngular velocity, ω = ?

Q: In the figure find the equivalent capacitance of the combination. Assume that C₁-11.4 µF, C₂-6.41…

A: C1 = 11.4 μFC2 = 6.41 μFC3 = 4.38 μF

Q: Find the radius in m of a hydrogen atom in the n= 26 state according to Bohr's theory.  m

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?