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

Author Question: The force on a 3.00-kg object as a function of position is shown in the figure. If an object is ... (Read 275 times)

jace

  • Hero Member
  • *****
  • Posts: 541
The force on a 3.00-kg object as a function of position is shown in the figure.
 
  If an object is moving at 2.50 m/s when it is located at x = 2.00 m, what will its speed be when it reaches x = 8.00 m? (Assume that the numbers on the graph are accurate to 3 significant figures.)
 
  A) 3.25 m/s
  B) 3.70 m/s
  C) 4.10 m/s
  D) 2.90 m/s
  E) 4.50 m/s

Question 2

A 1500-kg car accelerates from 0 to 25 m/s in 7.0 s with negligible friction and air resistance. What is the average power delivered by the engine? (1 hp = 746 W)
 
  A) 50 hp
  B) 60 hp
  C) 70 hp
  D) 80 hp
  E) 90 hp



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaillie

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

Answer: A

Answer to Question 2

Answer: E




kaillie

  • Sr. Member
  • ****
  • Posts: 326

 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

For a complete list of videos, visit our video library