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Author Question: What is the magnitude of the vertical-velocity component of the rock as it hits the ground? a. 8.81 ... (Read 127 times)

tichca

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on: Jul 28, 2018
What is the magnitude of the vertical-velocity component of the rock as it hits the ground?
 a. 8.81 m/s
  b. 7.39 m/s
  c. 25.8 m/s
  d. 19.3 m/s

Question 2

A projectile is launched at an angle less than 30 and at speed v. Which will increase the projectile's range more, ignoring atmospheric drag?
 a. doubling the launch angle b. increasing the speed of launch by 50
  c. reducing the mass of the projectile d. launching on February 29th


IAPPLET

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

c

Answer to Question 2

b


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