Author Question: You're driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the same ... (Read 65 times)

karen

  • Hero Member
  • *****
  • Posts: 537
You're driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the same direction. The speed of impact is
 
  A) zero.
  B) 2 km/h.
  C) 48 km/h.
  D) 50 km/h.
  E) 98 km/h.

Question 2

Emily Easygo can paddle her canoe at 8 m/s in still water. With this speed she then paddles upstream in a river that runs downstream at 6 m/s. Her friend sitting on shore sees her speed as
 
  A) 2 m/s.
  B) 6 m/s.
  C) 8 m/s.
  D) 10 m/s.



frejo

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library