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Author Question: On the average during good weather, the Earth has a positive surface charge. Which is the usual ... (Read 27 times)

Pineappleeh

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on: Jul 28, 2018
On the average during good weather, the Earth has a positive surface charge. Which is the usual direction of the Earth's electric field at the Earth's surface?
 a. down
  b. up
  c. some direction parallel to the Earth's surface
  d. north.

Question 2

A Ferris wheel, rotating initially at an angular speed of 0.500 rad/s, accelerates over a 7.00-s interval at a rate of 0.0500 rad/s2 . What angular displacement does the Ferris wheel undergo in this 7.00-s interval?
 a. 4.48 rad
  c. 4.73 rad
  b. 2.50 rad
  d. 0.500 rad


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juicepod

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

B

Answer to Question 2

C


Pineappleeh

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Reply 2 on: Jul 28, 2018
Gracias!

rachel

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Reply 3 on: Yesterday
Wow, this really help

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