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

Author Question: Two boys, Joe and Sam, who are searching for buried treasure start underneath the same tree. Joe ... (Read 127 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
on: Jul 29, 2018
Two boys, Joe and Sam, who are searching for buried treasure start underneath the same tree. Joe walks 12 m east and then 12 m north, while Sam walks 15 m west and then 10 m south. Both boys then stop.
 
  Find the magnitude and direction of the vector from Sam to Joe. Express the direction of this vector by specifying the angle it makes with the west-to-east direction.

Question 2

A stretched string is observed to have four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with five equal segments?
 
  A) 240 Hz B) 600 Hz C) 360 Hz D) 120 Hz


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 29, 2018
Answer to Question 1

35 m at 39 north of east

Answer to Question 2

B


Alainaaa8

  • Member
  • Posts: 576
Reply 2 on: Jul 29, 2018
Excellent

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

The family tree of HIV and related viruses The family tree of HIV and related viruses
A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb
Tree Planting Tree Planting
Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int
Start the valve adjustment procedure by first disconnecting and labeling, if necessary, all ... Start the valve adjustment procedure by first disconnecting and labeling, if necessary, all ...
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
Video: Introduction to Spirometry

For a complete list of videos, visit our video library