Author Question: Which of the following is not a fundamental quantity? a) Time b) Mass c) Length d) Area ... (Read 130 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
Which of the following is not a fundamental
  quantity?
  a) Time
  b) Mass
  c) Length
  d) Area
  <-- if ppt--><--endif-->

Question 2

Halley's comet moves about the sun in an elliptical orbit with its closest approach to the sun being 0.59 A.U. and its furthest distance being 35 A.U. 1 Astronomical Unit (A.U.) is the Earth-sun distance. If the comet's speed at closest approach is 54 km/s, what is its speed when it is farthest from the sun?



asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

d

Answer to Question 2

910 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library