Assume all surfaces to be frictionless

Assignment Help Physics
Reference no: EM1367351

Q. A smooth cylinder of radius=10 cm resting on a horizontal surface supports a bar AB of length 30 cm that is hinged at A. The weight of the bar is 50 N. The cylinder is kept from rolling away by a string AO of length 20 cm. Assume all surfaces to be frictionless, find tension in the string.

Q. In a certain vacuum tube, electron evaporate from a hot cathode at a slow steady rate and accelerate from rest through a potential difference of 45 V after that they travel 28cm. as they pass through an array of slits and fall on the screen to produce an interference pattern .If the beam current is below a certain value, only one electron at a time would be in flight in tube. What is this value? In this state, the interference pattern still appears showing that each individual electron can interfere with itself.

Reference no: EM1367351

Questions Cloud

Find the solution of the exact differential equation : Find the solution of the exact differential equation and show that the integrating factor F(x) is given by the solution of the following differential equation
Nursing conceptual models : Choose a client concern and then analyze that concern by using the approaches of three nursing conceptual models.
Determine the ip addresses of google and yahoo : Determine the IP addresses of www.google.com and www.yahoo.com. Modify hosts file to map www.google.com to yahoo's IP address and try to do google search. Remove modification to host file and repeat.
Information about inelastic demand : Farmers have a relatively inelastic demand for their crops. Suppose there is a bumper crop year (an unusually large harvest).
Assume all surfaces to be frictionless : What is this value? In this state, the interference pattern still appears showing that each individual electron can interfere with itself.
Nursing conceptual or theoretical models to theory-driven : This solution is for a graduate nursing theory class. Please explain the relationship of nursing conceptual or theoretical models to theory-driven, evidence-based practice.
What is the total combined mass of carbon dioxide : A proton is initially at rest at a point where the potential is 507V. Sometime later the proton is at a point where the potential is 187V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy.
Calculate the us interest rate differential : The United Kingdom pound is trading at 1.82 U.S. dollars per United Kingdom pound. There is purchasing power parity at this exchange rate.
Substitution-law of demand : Apply the substitution and income effects to the purchase of meat given the lower price. How is this related to the law of demand? Hint: use chicken as a substitute good in your discussion.

Reviews

Write a Review

Physics Questions & Answers

  What is the horizontal distance airplane engine falls

Vector A points in the negative y direction and has a magnitude of 3 units. Vector B has three times the magnitude and points in the positive x direction. Find out the direction and magnitude of the following vectors.

  What is the magnitude of the net gravitational force

A person lifts a 950N box by pushing it up an incline. If the person exerts a force of 350N along the incline, what is the mechanical advantage of incline.

  What is the coefficient of friction between girl and slide

Assume that a 16.5 m/s wind is blowing across the roof of your house. The density of air is 1.29 kg/m3. Conclude the reduction in pressure (below atmospheric pressure of stationary air) that accompanies this wind.

  What is eastward component of this vector

An airplane is flying with a velocity of 85.0 m/s at an angle of 25.0 degrees above the horizontal. When the plane is a distance 117 m straight above a dog that is standing on level ground, a suitcase drops out of luggage compartment. How far from..

  Which state is best illustrates kinetic friction

Which state is best illustrates kinetic friction

  Find out line linking the two point charges

Find out  line linking the two point charges

  Calculate the acceleration on the radio

Calculate the acceleration on the radio. The rms voltage across a 5.02 Ω resistor is 34.7 V. Find the maximum instantaneous current by the resistor.

  Compute the work one by the friction force

A 340 kg piano slides 3.7 m down a 33° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.37.

  What is the mechanical energy lost due to friction

Suppose an ideal gas is in a container 3L in volume and allowed to expand by having a piston move. The final volume after the piston moves is 15L. If the gas is at first at a pressure of 1×10^5 Pa and a temperature of 300 K, and temperature is mai..

  What is the mass of the liquid in the vat

What is the mass of the liquid in the vat.

  The tension is the constant 31.20 n

An airplane is flying in a horizontal circle at the speed of 542 km/h. If the wings of the plane are tilted 33.0° to the horizontal, what is the radius of the circle in that the plane is flying? Suppose that the required force is provided entirely by..

  Determine the period of the wood pendulum

Two physical pendulums ( not simple pendulum) are made from sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except one is made of wood (mass = 0.17 kg )and the other of metal (mass =..

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