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

Author Question: The distance between the two planets is 1.6 106 m. How much time would the light signal take to go ... (Read 57 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jul 27, 2018
The distance between the two planets is 1.6  106 m. How much time would the light signal take to go from one planet to the other?
 
  A) 1.9  10-2 s
  B) 0.45  10-2 s
  C) 0.53  10-2 s
  D) 1.3  10-2 s
  E) None of the other answers is correct.

Question 2

A seesaw made of a plank of mass 10.0 kg and length 3.00 m is balanced on a fulcrum 1.00 m from one end of the plank. A 20.0-kg mass rests on the end of the plank nearest the fulcrum.
 
  What mass must be on the other end if the plank remains balanced? A) 6.67 kg
  B) 7.50 kg
  C) 10.0 kg
  D) -10.0 kg
  E) 5.00 kg


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raenoj

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


viki

  • Member
  • Posts: 525
Reply 2 on: Jul 27, 2018
:D TYSM

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The average adult has about 21 square feet of skin.

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.

Changes in Earth's atmospheric carbon dioxide levels over geological time. Changes in Earth's atmospheric carbon dioxide levels over geological time.
A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant
Adults in late middle adulthood frequently look forward to spending more time with their partner Adults in late middle adulthood frequently look forward to spending more time with their partner
Bereaved spouses studied before loss, at the time of loss, and 18 months after loss show five ... Bereaved spouses studied before loss, at the time of loss, and 18 months after loss show five ...
To summarize, this signal transduction pathway involves To summarize, this signal transduction pathway involves
A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ... A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ...
Video: Heart sounds

For a complete list of videos, visit our video library