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Author Question: A 75-kg swimmer dives horizontally off a 250-kg raft initially at rest. If the diver's speed ... (Read 66 times)

abc

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on: Jul 28, 2018
A 75-kg swimmer dives horizontally off a 250-kg raft initially at rest. If the diver's speed immediately after leaving the raft is 2 m/s, what is the corresponding raft speed?
 a. 0.2 m/s
  c. 0.6 m/s
  b. 0.3 m/s
  d. 4.0 m/s

Question 2

Two small objects are suspended from threads. When the objects are moved close together, they attract one another. Which of the following could produce this result?
 a. One object is negatively charged and the other is uncharged. b. One object is positively charged and the other is uncharged. c. One object is positively charged and the other is negatively charge.
  d. All of the above could result in such attraction.


uniquea123

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

C

Answer to Question 2

D


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abc

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Reply #2 on: Jul 28, 2018
TY


uniquea123

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Reply #3 on: Jul 28, 2018
You're welcome


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