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

Author Question: Two boys searching for buried treasure are standing underneath the same tree. One boy walks 18 m ... (Read 153 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
Two boys searching for buried treasure are standing underneath the same tree. One boy walks 18 m east and then 18 m north. The other boy walks 16 m west and then 11 m north. Find the scalar product of their net displacements from the tree.
 
  What will be an ideal response?

Question 2

A scalar quantity multiplied by a unit vector is a scalar quantity.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

-90 m2

Answer to Question 2

FALSE


CQXA

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

A draft horse sleeping while standing up A draft horse sleeping while standing up
Tiger quoll standing on hind legs Tiger quoll standing on hind legs
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico. A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico.
evolution tree evolution tree
The tree of life, highlighting the phylogenetic relationships The tree of life, highlighting the phylogenetic relationships
Video: Inflammation Animation

For a complete list of videos, visit our video library