By how various revolutions does the fan turn while stopping

Assignment Help Physics
Reference no: EM1386791

Q. A transparent oil with index of refraction 1.29 spills on surface of water (index of refraction 1.33), producing a highest of reflection with normally incident violet light (wavelength 400 nm in air). Assume the highest occurs in the first order; determine the thickness of the oil slick.

Q. A ceiling fan with 80-cm-diameter blades is turning at 60rpm. Suppose the fan coasts to a stop 30s after being turned off.

1.) What is the speed of the trip of a blade 10 s after the fan is turned off?

2.) By how various revolutions does the fan turn while stopping?

Reference no: EM1386791

Questions Cloud

What must be the least speed of the pail : A 5kg steel ball strikes a wall with a speed of 8m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ..
A corporation adhering to the marketing concept : A corporation adhering to the marketing concept will likely take which of the following steps if it learned which its consumers were dissatisfied with its product?
Discuss the views of relativism : Critically discuss the views of Relativism and why they are important. Which one is most in line with your personal views and why? Include a brief summary of Relativism.
Determine the exact size of windows kernel : Determine the Exact Size of Windows Kernel [All Versions] give detail description of topic and include different operating systems Like Linux and Solaris.
By how various revolutions does the fan turn while stopping : A ceiling fan with 80-cm-diameter blades is turning at 60rpm. Suppose the fan coasts to a stop 30s after being turned off.
Growth characteristics on a streak plate : Discuss how can growth characteristics on a streak plate, broth culture or slant culture be used in the identification of a bacterial species or strain?
Discuss the major areas of concern : Critically discuss the major areas of concern addressed by traditional philosophers of knowledge, and how do they compare with any concerns in this area?
Can you categorize any non-value added waste : Classroom conversation, no word or page limit: Is there an operation which you commonly deal with which may benefit from the Poka-Yoke philosophy. Can you categorize any non-value added waste in certain operations?
Mean percent change in total body bone mineral content : Consider a hypothesis test of H0: μ = 0 against H1: μ > 0 where μ is the mean percent change in total body bone mineral content of young women. The population standard deviation is σ = 2. The level of significance for the test is α = 0.05.

Reviews

Write a Review

Physics Questions & Answers

  How far away was the spacecraft

While Voyager 2 sent back pictures of Neptune during its historic flyby of that planet in 1989, the spacecraft's radio signals travelled for 4 hours at the speed of light to reach Earth. How far away was the spacecraft.

  What is the bullets flight time

An electric iron connected to a 110V source draws 9A of current.show that the amount of heat generated in one minute is almost 60 kj.

  Find the speed of the first ball after the collision

2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path,

  What is the velocity of the tennis ball at once

Explain an experimental method for determining the center of mass of any object, including irregularly shaped objects.

  The speed of the block when it has moved

A loudspeaker on a tall pole broadcasts sound waves equally in all directions. If the sound output is 7.0 W, at what distance from loudspeaker is the sound intensity level 85.7 dB.

  What is the necessary new pressure

A 12 kg object oscillates at the end of a vertical spring that has a spring constant of 1.70 x10^4 N/m. The effect of air resistance is represented by the damping coefficient b = 3N•s/m. Find the time interval that elapses while the energy of the ..

  The coefficient of static friction between tires and road

A vessel whose walls are thermally insulated contains 2.5 {rm kg} of water and 0.6 {rm kg} of ice, all at a temperature of 0.0 ^circ {rm{C}}. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted ..

  Compute the electric flux through the top side of the box

IP A uniform electric field of magnitude 6 times 10^3 ;{rm{N/C}} points upward. An empty, closed shoe box has a top and bottom that are 37 cm by 28 cm, vertical ends that are 28 cm by 21cm, and vertical sides that are 21 cm by 37 cm.

  Find the minimum value of acceleration

An airplane must reach a speed of 186mi/h to take off. If the runway is 488m long, what is the minimum value of acceleration that will allow the airplane to take off successfully.

  How many atoms are there in the sun

What is the difference between voltage current characteristics for intrinsic and extrinsic semiconductor in both forward in addition to reverse direction.

  How high up an inclined track would the ball roll

A 23 kg boom of length 6 m is supported by a cable that has a breaking tension of 1200N. The cable is perpendicular to the boom and is attached 4.5m from the pivot. What is the utmost load that can be suspended from the end of the boom.

  Determine the minimum nonzero thickness

A shotgun fires a large number of pellets upward, with some pellets traveling very nearly vertically and others as much as 1.0o from the vertical. suppose that the initial speed of the pellets is uniformly 150ms-1 and ignore air resistance.

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