a- Calculate the radius of the first orbital of the hydrogen atom according to the Bohr model? What is the ratio of the radius of the second orbital to the radius of the first orbit of the same atom, and what is the speed of the electron in each orbit? tron a to another

Q: A car with a velocity of 25 m/s [E] changes its velocity to 25 m/s [S] in 15 s. Calculate the car’s ...

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Q: wo boxes are connected to each other by a string as shown in the figure. The 10-N box slides without...

A: According to Newton's second law  F = ma 

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Q: What is the equivalent resistance between points a and b in (Figure 1)? Express your answer in ohms....

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Q: A box of gas has 17 distinguishable particles and 168 cells. Calculate the number of microstates. S...

A: In this question we have to find the number of microstates. Please give positive feedback if the ans...

Q: If you throw a ball horizontally out of a window while at the same time you drop a ball, which of th...

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Q: A water jet consumes 450 W for 24 hours a day. What is the energy cost savings for this period if th...

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Q: Consider a block being pulled from rest through a distance 46.03 cm to the right across a tabletop. ...

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Q: Problem 8: A mass is sliding on a frictionless surface with a speed v. It runs into a linear spring ...

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Q: 1. A ball whirls around on the end of a string, moving in a circle at a constant speed of 3.0 m/s. I...

A: According to guidelines we need to solve only first question kindly repost other questions in the ne...

Q: A block M is suspended from the ceiling using two cables. The block is held in place. Tension in T1 ...

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Q: When a batted baseball moves with air drag, when does the ball travel a greater horizontal distance?...

A: The baseball will continue to move until it reaches the ground. The air drag works in the same direc...

Q: A horizontal force F=60 N pushes a 3 kg block up a ramp. The ramp is inclined at an angle of 30 degr...

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Q: A 25-kg chandelier hangs from a ceiling on a vertical 4.0-m-long wire. Part A. What horizontal force...

A: Here, we calculate the given as follow;

Q: Problem 3: A banked highway is designed for traffic moving at v = 84 km/h. The radius of the curve r...

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Q: A tank has pure water flowing into it at 12 1/min. The contents of the tank are kept thoroughly mixe...

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Q: Christopher is walking down a road when he observes a nearby mountain that a boulder is fallinh, he ...

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Q: Class Management I Help HW 6 - RC Circuits Begin Date: 2/14/2022 12:01:00 AM-- Due Date: 2/25/2022 1...

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Q: Find T so that block B will start moving towards the left. Use o.40 as the coefficient of friction f...

A: Solution: given that WA = 20 N WB = 50 N coefficient of friction = 0.4 

Q: A circuit consisting of three ideal batteries with voltages 81, 81 82, and 83, and three ideal resis...

A: Given:ε1=23.5 Vε2=10.5 Vε3= 30.0 VR1= 1.20 kΩR2= 14.0 kΩR3= 6.25 kΩ Let the Current I1 passes upwar...

Q: 15. Three charged particles are located at the corners of M an equilateral triangle as shown in Figu...

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Q: An object moves according to the velocity-time graph below. In point form, describe the motion of th...

A: The answer is below

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A: We know that it is moving like a projectile motion of the stone. we know that some concepts must be ...

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A: Given that                The speed of the plane is (v) = 300km/h                and at angle (θ) = ...

Q: A 47 kg skier rolls off from a frictionless slope with an inclination of approximately 400. From the...

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Q: Part A E- (250/r) f N/C, where What is the electric field strength at r= 21.0 cm? ? E = N/C Submit R...

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Q: In 3.40 h, a balloon drifts 20.7 km north, 9.60 km east, and 2.66 km upward from its release point o...

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Q: Internal human body temperature is often stated to be normal at 98.6°F. What is this temperature on ...

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Q: Question 2 A cylindrical vessel of 0.60 m diameter and 0.8 m height contains 3.2 kg of a gas. The pr...

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Q: You are to solve this problem using only the tools of dimensional analysis. You are not expected to ...

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Q: 1. An object B is moving at a speed of 12m/s and is struck by object A which is moving at a speed of...

A: Given: Mass of object A=14 tons Initial Speed of object A =20 m/s Mass of object B=10 tons Initial S...

Q: 7. In an AC circuit there are two devices connected in series. If the current in the circuit and the...

A: Current (I) = 2 Sin(2000t + 1.801) Ampere Potential difference = 100 Sin(2000t + 0.873) volts   

Q: A basketball player who is 2.00 m tall is standing on the floor 10.0 m from the basket as in figure....

A: Given that:- Height of basketball player=h=2m

Q: The small intestine has a mucus layer approximately 200 um thick. A worker accidentally ingests a sm...

A: It is observed that a  5.5 MeV alpha particle can be stopped by a 40 um thick human tissue.  In the ...

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Q: Using a razor blade attached to a stand, you manage to cut the cord while swinging the tennis ball. ...

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Q: In Bohr's model of the hydrogen atom, an electron orbits the nucleus in a circular motion. Assuming ...

A: We have to deduce Bohr Model energy level

Q: When a compass is used inside a car, the compass: a) works since the car enhances Earth magnetic fi...

A: Ferromagnetic materials nearby a compass affect the compass's behavior by manipulating the field lin...

Q: A positive test charge of 1 µC is placed halfway between a charge of +7 µC and a charge of +5 µC tha...

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Q: The velocity v of a particle moving in the xy plane is given by = ( 5.50 r- 5.00 r)i + 9.00 j,with V...

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Q: Can a car move in curve path with a constant linear velocity

A: No it is not possible for a car to move in a curved path to have constant linear velocity. This is b...

Q: Which of the following statements is not true about a conductor in electrostatic equilibrium?     ...

A: Correct option is 'd' because  The electric field inside a conductor is always zero. So due to which...

Q: ) An object initial velocity > lachcled touards He east with an <い angle of 30 abor 4 u OS to groond...

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Q: Two equal charges of magnitude 1.1 x 10 7 C experience an electrostatic force of 4.2 x 104 N. How ...

A: Given Data, Magnitude of charges (q1=q2=q)=1.1×107 C Electrostatic Force(F)=4.2×104 N

Q: Consider a solid insulating sphere which has a total charge of +3Q but is distributed as ρ(r) = βr, ...

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Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at...

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Q: 7. In an AC circuit there are two devices connected in series. If the current in the circuit and the...

A: Total current in the circuit (I) = 2 Sin(2000t + 1.801) Ampere Total voltage in the circuit (V) = 10...

Q: A Carnot cycle: A A) is bounded by two isotherms and two adiabats on a p-V graph (B B) consists of t...

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Q: A boat travels a distance of 220m (E 40° N] and then rounds a buoy (turning point) and travels a dis...

A: Solution: first distance of 220m (E 40° N]  second a distance of 360m [N 30° W] t= 22 s

Q: What is the electric potential, in volts, due to the proton on an electron in an orbit with radius 1...

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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: