This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A horizontal disk with a radius of 10 cm rotates about a vertical axis through its center. The disk ... (Read 1359 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
on: Jul 28, 2018
A horizontal disk with a radius of 10 cm rotates about a vertical axis through its center. The disk starts from rest at t = 0 and has a constant angular acceleration of 2.1 rad/s2 . At what value of t will the radial and tangential components of the linear acceleration of a point on the rim of the disk be equal in magnitude?
 a. 0.55 s
  b. 0.63 s
  c. 0.69 s
  d. 0.59 s
  e. 0.47 s

Question 2

A disk (radius = 8.0 cm) that rotates about a fixed axis starts from rest and accelerates at a constant rate to an angular velocity of 4.0 rad/s in 2.0 s. What is the magnitude of the total linear acceleration of a point on the rim of the disk at the instant when the angular velocity of the disk is 1.5 rad/s?
 a. 24 cm/s2
  b. 16 cm/s2
  c. 18 cm/s2
  d. 34 cm/s2
  e. 44 cm/s2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AngeliqueG

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


tfester

  • Member
  • Posts: 534
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

The biconcave disk shape of erythrocytes (red blood cells). The biconcave disk shape of erythrocytes (red blood cells).
Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the
Although the Democrats and the Republicans represent slightly different slices of the center, those ... Although the Democrats and the Republicans represent slightly different slices of the center, those ...
Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ... Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ...
Shoulder Stretch by Horizontal Flexion of Arm. Shoulder Stretch by Horizontal Flexion of Arm.
A longitudinal cut through the center of a shoot top of Coleus, a eudicot A longitudinal cut through the center of a shoot top of Coleus, a eudicot
Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

For a complete list of videos, visit our video library