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

Author Question: Two identical objects A and B fall from rest from different heights to the ground and feel no ... (Read 197 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 29, 2018
Two identical objects A and B fall from rest from different heights to the ground and feel no appreciable air resistance. If object B takes TWICE as long as object A to reach the ground, what is the ratio of the heights from which A and B fell?
 
  A) hA/hB = 1/
  B) hA/hB = 1/2
  C) hA/hB = 1/4
  D) hA/hB = 1/8

Question 2

At the same moment from the top of a building 3.0  102 m tall, one rock is dropped and one is thrown downward with an initial velocity of . Both of them experience negligible air resistance.
 
  How much EARLIER does the thrown rock strike the ground?
  A) 0.95 s
  B) 0.86 s
  C) 0.67 s
  D) They land at exactly the same time.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jamesnevil303

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

Answer: C

Answer to Question 2

Answer: A


yoroshambo

  • Member
  • Posts: 566
Reply 2 on: Jul 29, 2018
Wow, this really help

irishcancer18

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

In a project on job discrimination, Pager prepared identical résumés for the teams, but with one ... In a project on job discrimination, Pager prepared identical résumés for the teams, but with one ...
Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ... Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ...
Allow tissues to rest after myofascial applications. Allow tissues to rest after myofascial applications.
Tummy rock. Standing on the recipient’s right side, rest your left hand on the forehead and your ... Tummy rock. Standing on the recipient’s right side, rest your left hand on the forehead and your ...
The Rise and Fall of Separation Anxiety The Rise and Fall of Separation Anxiety
Sander van Doorn & LVNDSCAPE - Need To Feel Loved (Nils Hoffmann Remix) [Official Audio] Sander van Doorn & LVNDSCAPE - Need To Feel Loved (Nils Hoffmann Remix) [Official Audio]
Video: Virtual Tour of the Eye Animation

For a complete list of videos, visit our video library