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 34 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
Great answer, keep it coming :)

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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.

Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
Air flows through the PCV valve during idle, cruising, and light-load conditions. Air flows through the PCV valve during idle, cruising, and light-load conditions.
Greet a First-Time Client With a Firm Handshake. Greet a First-Time Client With a Firm Handshake.
Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
Finding the length given total distance and distance longer than other point Finding the length given total distance and distance longer than other point
The Geologic Time Scale The Geologic Time Scale
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library