Author Question: Your motorboat can move at 30 km/h in still water. How much time will it take you to move 12 km ... (Read 48 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
Your motorboat can move at 30 km/h in still water. How much time will it take you to move 12 km upstream, in a river flowing at 6 km/h?
 
  A) 22 min
  B) 26 min
  C) 20 min
  D) 30 min
  E) 24 min

Question 2

Two parallel straight wires carry currents in the same direction. The magnetic forces between the wires are such that
 
  A) the wires feel a clockwise torque.
  B) they are pulled in the direction of the wires.
  C) the wires repel each other.
  D) the wires attract each other.



katara

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library