Bohr's theory A hydrogen atom was excited, and when it returned to a stable state, it emitted (1.93×10^-18 J) radiant energy. What is the number of the next energy level?

Q: We consider an object of mass m moving in one spatial dimension. We denote its position by r(t) in a…

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Q: A.A ball is tzhed at 10.4 ms at an 32 angle to Forizona 4.A ball is teched at 10.4 mis at horizantol…

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Q: You pull on a string with a horizontal force of magnitude Fyb = 31 N that is attached to a block of…

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Q: In the physics lab, a block of mass M slides down a frictionless incline from a height of 35cm. At…

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Q: A projectile is launched in such a way that its maximum height is one-half its total range. At what…

A: Expression for maximum height of the projectile -  hmax=vi2sin2θ2g Expression for total range of the…

Q: Hi hlo Expert Hand written solution is not allowed. Give proper explanation of the answer please.

A: Step 1: Adiabatic process: When a thermodynamic system undergoes a change in such a way that no…

Q: The football North players begin practicing at Clarkson again! They run out onto the grass upper…

A: Given that: v=22.2 m/s  y=7.05 m

Q: A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The player's foot is…

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Q: 5. Rohit can consistently throw a 0.200kg ball at a speed of 12.0m/s. On one such throw, Rohit…

A: Given Mass m= 0.2 kg Initial velocity u= 12 m/s Initial gravitation potential energy=0 J

Q: You need to move a hunk of gold across a river by placing it on top of a makeshift raft, which is…

A: mass of wood = 30 kg density of wood = 500 kg/m3volume of wood = mass/density  = 30/500  = 0.06…

Q: An 8.0kg ball has a velocity of 5.5m/s in the x-direction and a 4.7 kg ball has a velocity of 7.0m/s…

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Q: Answer the following questions concening the situation shown below. bas arit gnizood w idgiow sdi an…

A: Newton's Second Law of motion According to Newton's Second Law of motion, the rate of change of…

Q: A fluid is flowing through a pipe of cross-sectional area of 1.8 x 104 m². The fluid then enters…

A: Now the continuous equation for incompressible liquidA1V1=A2V2Now the crossectional area A1=1.8∗10−4…

Q: This was a multi select is this the only that applies?

A: if this is a multi select question  then A and D also could be the Answer .

Q: 2. A 1003 kg car rounds a curve on a flat road of radius 51.0 m at a speed of 52.0 km/hr. a. What is…

A: Answer:-  Given  Mass of the car(m) = 1003 kg  Radius of the road (r) = 51.0 m  Acceleration due to…

Q: Four identical charged particles (q = +13.0 µC) are located on the corners of a rectangle as shown…

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Q: Spherical refracting surfaces. When an object is placed 9.4 cm in front of a spherical refracting…

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Q: A 8.82 kg particle with velocity = (5.84 m/s ) - (9.49 m/s ) is at x = 1.64 m, y = 8.10 m. It is…

A: m = 8.82 kg= x = 1.64 my = 8.10 mF = 5.59 N in negative x direction

Q: 7. The system shown in this figure is in equilibrium. Calculate the tension in the string. (a) 30 N…

A: Note:- You have posted multiple different questions. as per guideline I will solve first question…

Q: what if there is no given finsl velocity?

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