How many revolutions per second does the electron make

Assignment Help Physics
Reference no: EM13645843

In the bohr model of the hydrogen atom an electron (mass 9.1*10^-31kg) orbits a proton at a distance of 5.3*10^-11 m. The protonpulls on the electron with an electrical force of 8.2*10^-8 N. How many revolutions per second does the electron make?

Reference no: EM13645843

Questions Cloud

Find the magnitude of the induced emf in the coil : A coil is wrapped with 195 turns of wire on the perimeter of a square frame of sides 16.9 cm. Each turn has the same area, equal to that of the frame, and the total resistance of the coil is 2.04 . A uniform magnetic field is turned on perpendicul..
Magnitude of average induced emf in wire during this time : A circular wire loop of radius 8.1 m lies in a plane perpendicularto a uniform magnetic field of magnitude 0.4 T. In 0.1 s the wire is reshaped into a square but remains in the same plane.
Measure the speed of blood in situations when blood vessel : The drawing shows a type of flow meter that can be used to measure the speed of blood in situations when a blood vessel is sufficiently exposed (e.g., during surgery). Blood is conductive enough that it can be treated as a moving conductor.
Block is sent up a frictionless ramp along which an x axis : A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy ofthe block as a function of position x; the scale of the figure's vertical axis is set by Ks =34.0 J.
How many revolutions per second does the electron make : In the bohr model of the hydrogen atom an electron (mass 9.1*10^-31kg) orbits a proton at a distance of 5.3*10^-11 m. The protonpulls on the electron with an electrical force of 8.2*10^-8 N. How many revolutions per second does the electron make?
What is the breakdown potential : You are asked to construct a capacitor having a capacitance near 1nF and a breakdown potential in excess of 10,000 V. You think ofusing the sides of a tall Pyrex drinking glass as a dielectric, lining the inside and outside curved surfaces with al..
What is the crankshafts angular acceleration : The crankshaft in a race car goes from rest to 3000 rpm in 2.0seconds. What is the crankshafts angular acceleration?
Sum the forces in y-direction-what is value of normal force : A man pushes a 2.0 kg broom at a constant speed across the floor.The broom handle makes a 50 degree angle with the floor. He pushes the broom with a 5.0 N force. Sum the forces in the y-direction. What is the value of the normal force?
How long will it take the box to move across distance : A 70.0 kg box is pulled by a 500N force at an angle of 30degrees to the horizontal. The friction is 30.0 N. Write the Newton's 2nd Law equations for the sum of the forces inboth the X and Y direction. What is the acceleration of the box?

Reviews

Write a Review

Physics Questions & Answers

  A point charge 650rm nc is at the center of a cube with

a point charge 6.50rm nc is at the center of a cube with sides of length 0.300rm m. what is the electric flux through

  Find the electric field just outside the paint layer

A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 20.0 cm, Find the electric field just inside and just outside the paint layer

  Coefficient of kinetic friction between wheel and towel

A wheel is freely rotating at 85.0 rev/min and has a mass of 27.5 Kg and a radius of .7 m. If the wheel can be stopped in 7 seconds by using a towel and exerting an inward force of 55.0 N, what is the coefficient of kinetic friction between the wheel..

  Determine the output current of the secondary coil

The primary coil of an ideal transformer has 650 turns, and the secondary coil has 260 turns. Assume the primary coil carries 15 A at a voltage of 120 V. What is the output current of the secondary coil

  Compute the angular acceleration of the pulley

a frictionless pulley which can be modeled as a0.90 kg solid cylinder with a 0.34 m radius has a rope going over it. what is the angular acceleration of the pulley

  Neglecting the radiation heat exchange between the air in

an average-sized man is sitting in a big tanning room. the tanning radiation from the room walls is controlled by

  Find its velocity at the time of interception

The United States and South Korean soccer teams are playing in the first round of the World Cup. find its velocity at the time of interception

  Find the angular acceleration of the post

A thin uniform 15 kg post, 1.75 m long is held vertically using a cable and is attached to a 5kg mass and a pivot at its bottom end. Find the angular acceleration of the post about the pivot just after the cable breaks

  What is the maximum theoretical effectiveness of the plant

An elastic cord is 66 cm long when a weight of 66 N hangs from it but is 86 cm long when a weight of 76 N hangs from it. What is the "spring" constant k of the elastic cord.

  An rl circuit with l 600 h and an rc circuit with c 400

an rl circuit with l 6.00 h and an rc circuit with c 4.00 microf have the same time constant. a if the two circuits

  A block of mass m1 200 kg on a frictionless inclined plane

a block of mass m1 2.00 kg on a frictionless inclined plane of angle 32.0deg is connected by a cord over a massless

  What is the magnitude of the net force on the car

A 1300 kg truck drives around a flat 230 m -diameter circular race course at 27 m/s. What is the magnitude of the net force on the car

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd