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

Author Question: Two objects attract each other gravitationally. If the distance between their centers is cut in ... (Read 50 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
Two objects attract each other gravitationally. If the distance between their centers is cut in half, the gravitational force
 
  A) is cut to one fourth.
  B) is cut in half.
  C) doubles.
  D) quadruples
  E) remains the same

Question 2

A far sighted person can not see clearly objects that are closer to his eyes than 60.0 cm.
 
  Which one of the following combinations represents the correct focal length and the refractive power of the contact lenses that will enable him to see the objects at a distance of 25.0 cm from his eyes? A) -42.9 cm, +2.33 diopters
  B) -42.9 cm, -2.33 diopters
  C) +42.9 cm, +2.33 diopters
  D) +42.9 cm, -2.33 diopters
  E) +60 cm, +42.9 diopters


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

C


LCritchfi

  • Hero Member
  • *****
  • Posts: 519
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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.

Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
Relation between form, particular objects, and images in Plato’s Line. Relation between form, particular objects, and images in Plato’s Line.
The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ... The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ...
(A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ... (A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ...
The relationship between recombination frequency and physical distance between genes The relationship between recombination frequency and physical distance between genes
Video: DNA Replication Factory and Protein

For a complete list of videos, visit our video library