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 164 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
Excellent

irishcancer18

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

« previous next »
 

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.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground. By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Fall Fall
Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b
Giant ground sloth Giant ground sloth
Video: Cataract

For a complete list of videos, visit our video library