« previous next »

Author Question: Jennifer is inside her windowless space station laboratory and finds herself increasingly pulled to ... (Read 88 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
Jennifer is inside her windowless space station laboratory and finds herself increasingly pulled to the floor. What experiment can she perform inside the lab to decide if she is feeling the effect of an acceleration or an effect of gravity?
 
  What will be an ideal response?

Question 2

Substance A has a density of 3 g/cm3 and substance B has a density of 4 g/cm3. In order to obtain equal masses of these two substances, the ratio of the volume of A to the volume of B will be equal to
 
  A) 1 : 4
  B) 4 : 3
  C) 3 : 4
  D) : 1
  E) 1 : 3


Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 27, 2018
Answer to Question 1

None. The Equivalence Principle says no experiment performed in a closed system can distinguish between the two effects.

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Brain cells of a laboratory mouse are shown glowing with multicolor fluorescent proteins Brain cells of a laboratory mouse are shown glowing with multicolor fluorescent proteins
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
Amundsen-Scott South Pole Station in Antarctica Amundsen-Scott South Pole Station in Antarctica
Laboratory log Laboratory log
The absorption of cerebrospinal fluid from the subarachnoid space (blue) into a major sinus. Note ... The absorption of cerebrospinal fluid from the subarachnoid space (blue) into a major sinus. Note ...
Environmental Systems in Space and Time Environmental Systems in Space and Time
Video: Muscular Dystrophy

For a complete list of videos, visit our video library