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

Author Question: Which of the following describes an object that is accelerated? A) A car slowing down while ... (Read 12 times)

stock

  • Hero Member
  • *****
  • Posts: 573
Which of the following describes an object that is accelerated?
 
  A) A car slowing down while moving along a straight line
  B) A car rounding a curve at a steady 80 km/hr
  C) Both of the above.
  D) A car moving up a straight hill a hill whose slope is unchanging at a steady 80 km/hr, when the car is midway up the hill
  E) All of the above.

Question 2

The spherical side mirror on a car is convex and has a radius of curvature of 25 cm. Another car is following, 20 m behind the mirror. If the height of the car is 1.6 m, how tall is its image?
 
  A) 5.0 cm
  B) 2.0 cm
  C) 4.0 cm
  D) 3.0 cm
  E) 0.99 cm



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

E




stock

  • Member
  • Posts: 573
Reply 2 on: Jul 29, 2018
Excellent


juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

For a complete list of videos, visit our video library