A cooling fan is turned off when it is running at 850 rev min. It turns 1250

Question:

A cooling fan is turned off when it is running at 850 rev min. It turns 1250 revolutions before it comes to a stop.

(a) What was the fan's angular acceleration, assumed constant?

(b) How long did it take the fan to come to a complete stop?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

See More Books

Question Posted: Oct 05, 2017 08:03 AM

See More Questions

A steam engine based on a turbine is shown in Fig. P6.131. The boiler tank has a volume of 100 L and initially contains saturated liquid with a very small amount of vapor at 100 kPa. Heat is now...
An insulated vertical pistoncylinder device initially contains 0.2 m3 of air at 200 kPa and 22°C. At this state, a linear spring touches the piston but exerts no force on it. The cylinder is...
A steam engine based on a turbine is shown in Fig. P6.131. The boiler tank has a volume of 100 L and initially contains saturated liquid with a very small amount of vapor at 100 kPa. Heat is now...
The number of males per 100 females, age 70 or over, in the United States for some recent years is shown in the following table. (a) Plot the data, letting t be the years since 1970. (b) Would a...
The A+2 particle and its products decay according to the scheme (a) What are the final stable decay products? From the evidence (b) Is the A+2 particle a fermion or a boson and (c) Is it a meson or a...
A cannonball has just been shot out of a cannon aimed 45 above the horizontal. Drag cannot be neglected.
Green Consultants Pty Ltd specialise in consulting on landscape design. The company developed a predetermined charge-out rate based on hours for each of its consultants on 1 July 2025 to assign the...
Hegy Chocolate is located in Montreal. The company prepares gift boxes of chocolates for private parties and corporate promotions. Each order contains a selection of chocolates determined by the...
The graph below is the function f(x) 4- 3 2 + -5 4-3-2-1 12 + -2 -3 Find lim f(x) 2-2 Find lim f(x) 2-2+ Find lim f(x) 2-2 Find f(2)
In the mechanism shown in Figure, the crank AB is 75 mm long and rotate at constant speed of 8 rad/sec in the direction shown. Given that BD= DC= DE; BC= 300 mm, draw the velocity and acceleration...
The Sun subtends an angle of about 0.5 to us on Earth, 150 million km away. Estimate the radius of the Sun.
The tires of a car make 75 revolutions as the car reduces its speed uniformly from to 55 km/s. The tires have a diameter of 0.80 m. (a) What was the angular acceleration of the tires? If the car...
You are the accountant for Nedelec Ltd. (Nedelec). For each of the following situations, prepare the required adjusting entries. Also show the related transactional entries and the date the entries...
In what sense does physics underlie chemistry?
a. Why are tax laws important to healthcare finance? b. What three major advantages do tax laws give to not-for-profit corporations?
How does the size of the organization affect the finance department structure?
The cost of debt can be determined using the yield-to-maturity and the bond rating approaches. If the bond rating approach is used, the: A. coupon is the yield. B. yield is based on the interest...
What is the difference between a standard corporation (C corporation) and a benefit corporation (B corporation)?
Refer to the Holly Thompson company information in Exercise 3-14. Required: Prepare a scattergraph based on Holly's data. Use cost for the vertical axis and number of tanning appointments for the...
In 1995 Miguel purchased a home for $130,000. In 2000 he sold it for $170,000 and immediately purchased another one for $180,000, which he sold in 2007 for $235,000. How much taxable capital gain, if...
Two structural members B and C are bolted to bracket A. Knowing that both members are in tension and that P = 10 kN and Q = 15 kN, determine graphically the magnitude and direction of the resultant...
The guy wire BD exerts on the telephone pole AC a force P directed along BD. Knowing that P must have a 720-N component perpendicular to the pole AC, determine (a) The magnitude of the force P, (b)...
Determine the resultant of the three forces of Problem 2.21. Problem 2.21 Determine the x and y components of each of the forces shown. 28 in. 84 n 96 in. 50 Ib 80 in. 29 lb 51 11) 90 in 48 in
Calendar Plc have a year end of 30/09/X2. They have prepared the following information about their non-current assets: Land was revalued to 4.2 million on 28/09/X2 All buildings are depreciated using...
Antique Accents reported the following on its 2020 income statement. Using the income statement and the balance sheet given below, prepare the statement of cash flows using the indirect method. For...
Jamal, Maggie, and Kendra are dividing an estate consisting of a house, a vacation home, and a small business. Their valuations are shown below. Determine the payment that Kendra receives from the...

A cooling fan is turned off when it is running at 850 rev min. It turns 1250

Question:

Step by Step Answer:

a The angular acceleration can be ...View the full answer

Physics Principles with Applications

Students also viewed these Mechanics questions