The angular speed of the rotor in a centrifuge increases from 420 to 1420 rad/s in a

Question:

The angular speed of the rotor in a centrifuge increases from 420 to 1420 rad/s in a time of 5.00 s.
(a) Obtain the angle through which the rotor turns.
(b) What is the magnitude of the angular acceleration?

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

Step by Step Answer:

Related Book For book-img-for-question

Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

See More Books

Question Posted: Feb 14, 2017 01:56 AM

See More Questions

A wheel is rotating freely at angular speed 800rev/min on a shaft whose rotational inertia is negligible. A second wheel, initially at rest and with twice the rotational inertia of the first, is...
The angular speed of an automobile engine is increased at a constant rate from 1200 rev/min to 3000 rev/min in 12 s.(a) An axis that passes through point P and is perpendicular to the plane of the...
In Figure, four pulleys are connected by two belts. Pulley A (radius 15 cm) is the drive pulley, and it rotates at 10 rad/s. Pulley B (radius 10 cm) is connected by belt 1 to pulley A. Pulley B'...
Repeat Prob. 37 using singularity functions exclusively (including reactions). Repeat Prob. 37, For the beam shown, find the reactions at the supports and plot the shear-force and bending-moment...
Why is communication such an important skill in charismatic, transactional, and transformational explanations of leadership?
Find the exact solution for 5 2x 3 = 7 x + 1 . If there is no solution, write no solution.
Draw a neat sketch of throttling calorimeter and explain how dryness fraction of steam is determined. What are its limitations?
1. What is the new constraint for the finishing resource? 2. The figure shows the graph of the original feasible set for the furniture manufacturing problem drawn with a red boundary. The blue line...
direction and 0 Find magnitude, resultant for the system of forces 20 kN 25 kN location of of the 60 30 A B shown in figure. 3 m D 3 m C 45 18 kN 12 kN
Globalization and technology developments have led to some significant changes in the global economy. Discuss the importance of such changes to the United States. What is the impact upon supply...
A figure skater is spinning with an angular velocity of +15 rad/s. She then comes to a stop over a brief period of time. During this time, her angular displacement is +5.1 rad. Determine (a) Her...
A car is traveling along a road, and its engine is turning over with an angular velocity of +220 rad/s. The driver steps on the accelerator, and in a time of 10.0 s the angular velocity increases to...
Some polling agencies ask people to call a telephone number and give their response to a question. (a) List an advantage and a disadvantage of a survey conducted in this manner. (b) What sampling...
The manufacturing cost accounts of Varsity Manufacturing Co . provide the following information for the year ended December 3 1 , 2 0 2 0 Direct materials used . . . . . . . . . . . . . . . . . . . ....
Two firms are situated next to a lake, and it costs each firm $1,500 per period to use filters that avoid polluting the lake. However, each firm must use the lake's water in production, so it is also...
XYZ can make three annual payments at the end of the next three years. Instead, XYZ can skip making the next two payments and make one large payment in three years in the amount of $5,184,000. If the...
What is the magnitude p of the molecule's electric dipole moment? P = C.m The molecule is immersed in a uniform electric field of 2.43105 with its electric dipole vector at an angle of 54.7 from the...
Understanding Accounting for Tax Refunds Accounting for tax refunds is a financial process that involves the recognition, measurement, and reporting of potential or expected tax refunds in a...
Describe a method for the preparation of sodium metal from sodium chloride.
If |62x|>9, which of the following is a possible value of x? A. 2 B. 1 C. 0 D. 4 E. 7
In Figure block 2 of mass 2.0 kg oscillates on the end of a spring in SHM with a period of 20ms. The position of the block is given by x = (1.0 cm) cos (wt + ?/2). Block 1 of mass 4.0 kg slides...
A mass less spring hangs from the ceiling with a small object attached to its lower end. The object is initially held at rest in a position yi such that the spring is at its rest length. The object...
A 95 kg solid sphere with a 15 cm radius is suspended by a vertical wire. A torque of 0.20N m is required to rotate the sphere through an angle of 0.85 rad and then maintain that orientation. What...
What effect does an antagonist drug have over the receptors ?
Read this article on the differences and Comparisons between UNIX and LINUX http://www.diffen.com/difference/Linux_vs_Unix, then do some research and post your thoughts on each of the systems. Based...
Assume that in 2023, Bobby had a vacant lot that was given to him as a gift from his father that had an FMV of $40,000 and an adjusted basis of $15,000.

The angular speed of the rotor in a centrifuge increases from 420 to 1420 rad/s in a

Question:

Step by Step Answer:

REASONING We know that the final angular speed is 1420 rad s We also that the initial angular sp...View the full answer

Physics

Students also viewed these Mechanics questions