This topic contains a solution. Click here to go to the answer

Author Question: An object is thrown vertically and has an upward velocity of 18 m/s when it reaches one fourth of ... (Read 134 times)

joe

  • Hero Member
  • *****
  • Posts: 627
An object is thrown vertically and has an upward velocity of 18 m/s when it reaches one fourth of its maximum height above its launch point. What is the initial (launch) speed of the object?
 a. 35 m/s
  b. 25 m/s
  c. 30 m/s
  d. 21 m/s
  e. 17 m/s

Question 2

A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is thrown vertically (from the same initial height as the ball) with an initial speed of 24 m/s. At what height above the release point will the ball and stone pass each other?
 a. 17 m
  b. 21 m
  c. 18 m
  d. 27 m
  e. 31 m



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

D

Answer to Question 2

A




joe

  • Member
  • Posts: 627
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review


ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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.

For a complete list of videos, visit our video library