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 62 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
Excellent

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Signal amplification Signal amplification
If you want to show differences between items at the same time, a bar graph is more effective than a If you want to show differences between items at the same time, a bar graph is more effective than a
Insecticide application over time Insecticide application over time
The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio
Time-of-entry mapping Time-of-entry mapping
Video: Digestive System Animation

For a complete list of videos, visit our video library