If an electron in an atom falls from the n = 3 to the n = 1 energy state, does it emit or absorb a photon? O emit absorb

Q: Vector V⃗ 1V→1 is 6.4 units long and points along the negative x axis. Vector V⃗ 2V→2 is 9.0 units…

A: Determine the X-component of vector 2.

Q: does the voltage of the battery can decrease if you are using it? how?

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Q: A 3000 lb aircraft it towed 50 ft  by force of 250 lbs, what is the amount of work done

A: Weight of aircraft (W) = 3000 lb Force exerted (F) = 250 lb Distance moved (m) = 50 ft

Q: 02 Explain briefly the types of energy used in the Work-Energy equation, assisting your answer by…

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Q: Nemo. Nemo swims 12.5 [m] deep into the sea (n = 1.38). What is the apparent depth of nemo as seen…

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Q: Please refer to the following vector 6i + 2i 24

A: Given   A = 6i + 2j - 3k  B = 3i - j - 2k C = -i+ j - 4k D = j - 3k  E = -i+ 2k  F = -5k  G = 2i  H…

Q: An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until it finally lifts off the ground.…

A: Write the given values with the suitable variables. u=0 m/sa=3.2 m/s2t=32.8 s Here, u, a, and t are…

Q: TIR. A light ray coming from inside an unknown glass is traveling to air (nair = 1.00) and hits the…

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Q: a majorette makes 2 batons and fastens them together in the middle at right angles to make a letter…

A: Given mass(m)=0.30 kg Distance (r)=0.80 m Required momet of inertia

Q: Convert (7.65eV) in to joules.

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Q: A stretched-out Slinky spring is shaken rapidly (4 complete up-and-down shakes per second). A…

A: Given data:  Frequency (f) = 4 Hz Wavelength (λ) = 0.72 m Required: Velocity (v)

Q: Area is found by multiplying the length of a surface times the width. If a floor measures 5.28 m²,…

A: E11 . Given Area (A) = 5.28 m2  We know , 1 m = 100 cm  Therefore  , Area in cm2  A =5.28 m2    =…

Q: Two positively charged spheres are shown in the figure below. Sphere 1 has twice as much charge as…

A: Given:-  The change q = 5.55 nC  The distance between the charge q1 and q2 is d = 0.350 m  and y =…

Q: Imagine an object placed 10cm to the left of a b-convex lens with focal length of 5cm?

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Q: 5P2

A: Volume = 40 L Time = 2 min = 120 s

Q: Speedo Lite. A light ray coming from air (n = 1.00) is incident on some unknown liquid at an angle…

A: Solution:- 1) According to the snell's law , we have n1*Sin(i) = n2*Sin(r) Here,   n1 = refractive…

Q: The wavelength of the red light from a helium-neon laser is 633 nm in air but 474 nm in the aqueous…

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Q: Show that ψ2 and ψ3 for the one-dimensional particle in a box are orthogonal.

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Q: Speedo Lite. A light ray coming from air (n = 1.00) is incident on some unknown liquid at an angle…

A: Given: The refractive index of air: n = 1.00. The incident angle with respect to the unknown…

Q: What does ratio (sin ∠i ) ÷ (sin ∠R), indicates

A: When a light ray travels from one medium to another medium then due to change in refractive indices…

Q: Create an example of the Law of Conservation of Energy

A: The law of conservation of energy states that energy can neither be created nor be destroyed. It can…

Q: Q1- A particle starts to moves from origin at the curved Path y=(3 sin4 (x²y) + y³x) m With initial…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: . Two point charges, +3 C and -6 C, are separated by 20 cm. They are NOT free to move. K = 9X10^9.…

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Q: Which relationships below are correct for energy moving through space in waves? velocity =…

A: Consider the velocity of the wave is v, the frequency of the wave is f, and the wavelength of the…

Q: A small teddy bear is placed in front of an automobile headlight reflector instead of Christmas…

A: Object distance is p=12.0 cm The radius of curvature is R=D2=-10.0cm2=-5.00 cm The focal length of…

Q: 1.) Two snowy peaks are 790 m and 690 m above the valley between them. A ski run extends down from…

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Q: 19 9 Nodes Question 20 (5 points) Find the noise level of a sound having an intensity of 6.53 x10-10…

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Q: An iron ball of mass 45.0 kg traveling at 15.5 m/s to the right collides with a stationary lead ball…

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Q: A soprano and a bass are singing a duet. While the soprano sings an A-sharp at 932 Hz, the bass…

A: Given that- A soprano and a bass are singing a duet f=932hz the bass sings an A-sharp but three…

Q: Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of…

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Q: 13. Please refer to the following vectors: A = 6i + 2j - 3k B = 3i-j-2k C = -i + j- 4k D=j-3k E = i…

A: Given data: The vectors are, A=6i+2j-3kB=3i-j-2kC=-i+j-4kD=j-3kE=-i+2kF=-5kG=2iH=-3jI=-4i+4j

Q: 1.Linear motion at constant velocity (no acceleration) or at a constant acceleration (a = fixed…

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

Q: The path length difference between two interfering waves in a double-slitexperiment is 3/2. The…

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Q: Consider the dispersion of white light incident on a prism. As it strikes the interface, light is…

A: White light is dispersed into component colors when incident on a prism The path of yellow light is…

Q: You may have noticed that I'm not all there myself. Alice drank a suspicious potion labelled "Drink…

A: Givenu= 10.0 cmR = 15.0 cmRefractive index of the water sphere (nw) =1.33Refractive index of air…

Q: A current of 8 A flows through a conductor for 12 s. What amount of charge passes through the…

A: Introduction :  In this question we are provided with value of current and time . With these data…

Q: Consider an object sliding down a frictionless ramp that is inclined an angle above the horizontal.…

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Q: Problem No.2 A basketball player attempts to make a basket from a distance of 8m. The basket is 3m…

A: Given data :- distance between player and basket d = 8 m height of basket H = 3 m height of ball h'…

Q: A particle is moving at a velocity described by the function with respect to time. Find the…

A: velocity is given by the formula : v(t) = tet2 ms

Q: When there are two roads leads in the same destination. What do we call is the shortest distance…

A: (1) option (A) is correct .      (A) displacement . Shortest distance between two points is known as…

Q: The wavelength of the red light from a helium-neon laser is 633 nm in air but 474 nm in the aqueous…

A: We know thatn=λaλmWhereλa=Wavelength in  airλm=Wavelength in mediumn= index of refraction

Q: An object is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the…

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Q: Which statement below could correctly describe a wave? O The wavelength is 8 Hz and the velocity is…

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Q: Consider an unpolarized light with intensity I sub 0=16W / m^2 incident on a pair of polarizers. The…

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Q: 3P2 The Greenland ice sheet can be one km thick. Estimate the pressure underneath the ice. (The…

A: P = P0+rh0*g*h    = 1.013*105+918*9.8*1000

Q: Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 164 cm, but…

A: Write the expression for the circumference. Here, R is the radius. Write the expression for the…

Q: Is says incorrect it actinf for rocket acceleration using coordinates system where up is postive

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Q: A solid object is made of two materials, one material having density of 2000 kg/m^3 and the other…

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Q: Laser light. Consider an electromagnetic wave travelling in a vacuum with an electric field given by…

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Q: Determine the combined moment about O due to the weight of the mailbox and the cross member AB. The…

A: Given data: The weight of he mail box is W=3.2 lb. The weight of the bar AB is w=9.2 lb.

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: