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Author Question: A 400-hp engine can deliver, in SI units, an average power of _____. (1 hp = 746 W) a. 200 W c. ... (Read 44 times)

kaid0807

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  • Posts: 515
on: Jul 28, 2018
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

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


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