Question: A cooling fan is turned off when it is running at 850 rev/min. It turns 1350 revolutions before it comes to a stop. (a)

A cooling fan is turned off when it is running at 850

A cooling fan is turned off when it is running at 850 rev/min. It turns 1350 revolutions before it comes to a stop. (a) What was the fan's angular acceleration, assumed constant? (Answer: -0.47 rad/s2) (b) How long did it take for the fan to come to a complete stop? (Answer: 190 s) (c) How many revolutions would it take in 50 s. (Answer: 614 rev)

Step by Step Solution

★★★★★

3.40 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

It takes 850 revmin2rad1rev1min60s u890rads Final revolutionv0r... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

A cooling fan is turned off when it is running at 850 rev/min it turns 1500 revolutions before it comes to a stop. (a) What was the fans angular acceleration, assumed constant? (b) How long did it...

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...

Consider the following problem where we need to test some operational aspect of an e-commerce system. To avoid exhaustive testing and to gain confidence in our testing, we will use combinatorial...

Please answer the following questions: Pilots can be tested for the stresses of flying high-speed jets in a whirling "human centrifuge," which takes 1.0 min to turn through 20 complete revolutions...

Pilots can be tested for the stresses of flying high-speed jets in a whirling human centrifuge which takes 1.0min to turn through 20 complete revolutions before reaching its final speed. (a) What was...

During a very quick stop, a car decelerates at 7.00 m/s 2 . (a) What is the angular acceleration of its 0.280-m- radius tires, assuming they do not slip on the pavement? (b) How many revolutions do...

1. The moment of inertia of a long rod spun around an axis through one end perpendicular to its length is -2. Why is this moment of inertia greater than it would be if you spun a point mass M at the...

A rider on a mountain bike is traveling to the left in the figure. Each wheel has an angular velocity of + 21.7 rad/s, where, as usual, the plus sign indicates that the wheel is rotating in the...

1.An automobile engine slows down from 3100 rpm to 1500 rpm in 2.0 s . A. Calculate its angular acceleration, assumed constant. Express your answer using two significant figures. B. Calculate the...

Problem 12.2 Part A An 8.0-cm-diameter hard disk spinning at 7200 rpm can stop in 13 revolutions. What is the magnitude of the angular acceleration? Express your answer in radians per second squared....

You need to estimate the equity beta for Golden Clothiers, Inc. Goldens debt-to-equity ratio is 85%, which is higher than a typical firm in its industry. The following table shows the levered equity...

Examine the heat engine given in Problem 7.50 to see if it satisfies the inequality of Clausius.

Evaluate the sum k = 2 5 ( 3 k ! ) . Enter an exact answer. Provide your answer below: k = 2 5 ( 3 k ) =

A supplier for the chemical industry sells sulphuric acid to two customers. The supplier manages the stock levels (VMI) for both customers. The setup looks like this: The supplier has separate...

Selco, a U.S. Company, imports and exports tools, shop equipment, and industrial construction supplies. The company uses a periodic inventory system. During April the company entered into the...

Bob is the only shareholder of UpInSmoke Inc., a Canadian controlled private company. For the taxation year ending December 31, 2018, the Company has Taxable Income, before any consideration of...

Tanaka, Tiana and Tina are in partnership for the business T3 Enterprise. They are sharing profits and losses in the ratio 3:2:1 respectively. The balance sheet for the partnership as at June 30,...

Prepare worksheet entries and post to the worksheet for the following items. Identify each adjustment by the letter used in the problem: A). Record the January 1, 2015 balances of general fixed...

does the tropic structure have to do with feeding relationships in a community

A cooling fan is turned off when it is running at 850 rev/min. It turns 1350 revolutions before it comes to a stop. (a) What was the fan's angular acceleration, assumed constant? (Answer: -0.47...

Please Answer the Following Questions: 1. Pilots can be tested for the stresses of flying high-speed jets in a whirling "human centrifuge," which takes 1.0 min to turn through 20 complete revolutions...

A cooling fan is turned off when it is running at 8 5 0 r e v m i n . It turns 1 3 5 0 revolutions before it comes to a stop. Part A What was the fan's angular acceleration, assumed constant? Express...

Question attached. Thank you in advance. v PartA At t = 0, a cooling fan running at 360 rad/s is turned off and then slows down at a rate of 20 rad/52. Simultaneously (at t = O), a second cooling fan...

A cooling fan is turned off when it is running at 830 rev/minrev/min . It turns 500 revolutions before it comes to a stop. What was the fan's angular acceleration, assumed constant? How long did it...

What was the fan's angular acceleration, assumed constant? A cooling fan is turned off when it is running at 8 5 0 r e v m i n . It turns 1 3 5 0 revolutions before it comes to a stop. Express your...