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

Author Question: The cutting cord on a gas-powered weed cutter is 0.20 m in length. If the motor rotates at the rate ... (Read 57 times)

mikaylakyoung

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
The cutting cord on a gas-powered weed cutter is 0.20 m in length. If the motor rotates at the rate of 20 rev/s, what is the tangential speed of the end of the cord?
 a. 628 m/s
  c. 19 m/s
  b. 25 m/s
  d. 63 m/s

Question 2

A point on the rim of a 0.30-m radius rotating wheel has a tangential speed of 4.0 m/s. What is the tangential speed of a point 0.10 m from the center of the same wheel?
 a. 1.0 m/s
  c. 2.7 m/s
  b. 1.3 m/s
  d. 8.0 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

britb2u

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


mikaylakyoung

  • Member
  • Posts: 531
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

vickyvicksss

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Micro RNAs (miRNA), 20-25 bp in length, can inactivate mRNAs. Micro RNAs (miRNA), 20-25 bp in length, can inactivate mRNAs.
A Midsagittal View of the Brain and Part of the Spinal Cord A Midsagittal View of the Brain and Part of the Spinal Cord
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
The mortality rate in the United States increases with age and is lower for women than men at every ... The mortality rate in the United States increases with age and is lower for women than men at every ...
Static Stability & Environmental Lapse Rate Static Stability & Environmental Lapse Rate
Rate order question Rate order question
Video: Polysaccharides

For a complete list of videos, visit our video library