This topic contains a solution. Click here to go to the answer

Author Question: Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the same direction. Jake's ... (Read 135 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the same direction. Jake's speed relative to the ground is
 
  A) 6 m/s.
  B) 10 m/s.
  C) 14 m/s.
  D) none of the above

Question 2

You're at rest in a hammock when a hungry mosquito sees an opportunity for lunch. A mild 2-m/s breeze is blowing. If the mosquito joins you for lunch it should hover over you by flying
 
  A) against the breeze at 2 m/s.
  B) with the breeze at 2 m/s.
  C) a bit faster than wind speed.
  D) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

micaelaswann

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A





 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

For a complete list of videos, visit our video library