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 165 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

parker125

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

« previous next »
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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.

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.
Great apes knuckle-walk when traveling on the ground. Great apes knuckle-walk when traveling on the ground.
Fossil remains of anatomically modern humans from the Czech Republic and from China (center crania) Fossil remains of anatomically modern humans from the Czech Republic and from China (center crania)
With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ... With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ...
Effleurage with fingertips to tops of both shoulders and neck. Feel for which side is most tense and ... Effleurage with fingertips to tops of both shoulders and neck. Feel for which side is most tense and ...
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ... A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ...
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library