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Author Question: A balloon is buoyed up with a force equal to the a. density of the surrounding air b. atmospheric ... (Read 36 times)

vicotolentino

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on: Jul 28, 2018
A balloon is buoyed up with a force equal to the
 a. density of the surrounding air
  b. atmospheric pressure
  c. weight of the balloon and its contents
  d. weight of the air it displaces

Question 2

A 2.0-kg block slides on a frictionless 25 inclined plane. A force of 4.6 N acting parallel to the incline and up the incline is applied to the block. What is the acceleration of the block?
 a. 1.8 m/s2 up the incline
  b. 2.3 m/s2 up the incline
  c. 6.6 m/s2 down the incline
  d. 1.8 m/s2 down the incline
  e. 2.3 m/s2 down the incline


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Liddy

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

d

Answer to Question 2

D


vicotolentino

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Reply 2 on: Jul 28, 2018
Gracias!

apple

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Reply 3 on: Yesterday
Excellent

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