Author Question: A 400-hp engine can deliver, in SI units, an average power of _____. (1 hp = 746 W) a. 200 W c. ... (Read 27 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
A 400-hp engine can deliver, in SI units, an average power of _____. (1 hp = 746 W)
 a. 200 W
  c. 149,000 W
  b. 74,600 W
  d. 298,000 W

Question 2

An electron is sent at high speed toward a gold nucleus (charge +79e). What is the electrical force acting on the electron when it is 3.0  10-13 m away from the gold nucleus? (e = 1.6  10-19 C, ke = 8.99  109 Nm2/C2)
 a. 2.1  10-6 N
  c. 0.20 N
  b. 2.0  10-4 N
  d. 20 N



medine

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

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

For a complete list of videos, visit our video library