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

Author Question: A rock is thrown directly upward from the edge of the roof of a building that is 66.2 meters tall. ... (Read 101 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jul 29, 2018
A rock is thrown directly upward from the edge of the roof of a building that is 66.2 meters tall. The rock misses the building on its way down, and is observed to strike the ground 4.00 seconds after being thrown.
 
  Neglect any effects of air resistance. With what speed was the rock thrown?

Question 2

A transverse wave is traveling on a string stretched along the horizontal x-axis. The equation for the vertical displacement y of the string is given by y = 0.0020 cos(15x - 52t), where all quantities are in SI units.
 
  The maximum speed of a particle of the string is closest to
  A) 0.33 m/s. B) 0.43 m/s. C) 0.64 m/s. D) 0.53 m/s. E) 0.74 m/s.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djofnc

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 29, 2018
Answer to Question 1

3.05 m/s

Answer to Question 2

A


joe

  • Member
  • Posts: 627
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Tall Bellflower Tall Bellflower
Teresa Hubbard and Alexander Birchler, Detached Building. Teresa Hubbard and Alexander Birchler, Detached Building.
Postage meters are used for large mailings. Postage meters are used for large mailings.
Vertebral column. Avoid heavy pressure directly over spinous processes. Vertebral column. Avoid heavy pressure directly over spinous processes.
Finishing techniques for the back of the body. With the recipient fully draped, gently rock the body ... Finishing techniques for the back of the body. With the recipient fully draped, gently rock the body ...
Building a Client Base Building a Client Base
Video: Hormonal regulation of pregnancy - weeks 2 through 38

For a complete list of videos, visit our video library