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Author Question: A small hockey puck slides without friction over the icy hill shown in the figure and lands 6.20 m ... (Read 160 times)

DyllonKazuo

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on: Jul 29, 2018
A small hockey puck slides without friction over the icy hill shown in the figure and lands 6.20 m from the foot of the cliff with no air resistance. What was its speed v0 at the bottom of the hill?
 
  A) 20.8 m/s
  B) 17.4 m/s
  C) 14.4 m/s
  D) 13.7 m/s
  E) 4.71 m/s

Question 2

A projectile is fired from ground level at an angle of 40.0 above horizontal at a speed of 30.0 m/s. What is the speed of the projectile when it has reached a height equal to 50.0 of its maximum height?
 
  A) 26.0 m/s
  B) 27.4 m/s
  C) 28.7 m/s
  D) 26.7 m/s
  E) 28.1 m/s


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JYan

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D


DyllonKazuo

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Reply #2 on: Jul 29, 2018
TY


JYan

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Reply #3 on: Jul 29, 2018
You're welcome


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