« previous next »

Author Question: Jennifer is inside her windowless space station laboratory and finds herself increasingly pulled to ... (Read 96 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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Fluids inside and outside of cells Fluids inside and outside of cells
Swab the inside of the wound. Swab the inside of the wound.
A funnel helps in hearing if the electric fuel pump inside the gas tank is working. A funnel helps in hearing if the electric fuel pump inside the gas tank is working.
Scientists do research in the laboratory and in the field Scientists do research in the laboratory and in the field
Stressed inside car Stressed inside car
Laboratory-Grown Stem Cells Laboratory-Grown Stem Cells
Video: Metaphase I Animation

For a complete list of videos, visit our video library