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 52 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
Thanks for the timely response, appreciate it

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

A comparison of electron and light microscope technologies A comparison of electron and light microscope technologies
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Tap the head. Apply light fingertip tapotement to the head: top, sides, and back. Tap the head. Apply light fingertip tapotement to the head: top, sides, and back.
Light palpation of abdomen Light palpation of abdomen
Orbital Motion of Earth and Other Planets Orbital Motion of Earth and Other Planets
Surtsey, a volcanic island, during the time of its formation. Surtsey, a volcanic island, during the time of its formation.
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library