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Author Question: A water rocket, launched from the ground, rises vertically with acceleration of 20 m/s2 for 1.0 s ... (Read 140 times)

Sufayan.ah

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on: Jul 28, 2018
A water rocket, launched from the ground, rises vertically with acceleration of 20 m/s2 for 1.0 s when it runs out of fuel.. Disregarding air resistance, how high will the rocket rise?
 a. 15 m
  c. 61 m
  b. 30 m
  d. 102 m

Question 2

Mt. Everest is more than 8000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 8000 m elevation? (Ignore air resistance.)
 a. 396 m/s
  c. 1200 m/s
  b. 120 m/s
  d. 12,000 m/s


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Mollythedog

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

B

Answer to Question 2

A


Sufayan.ah

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Reply #2 on: Jul 28, 2018
TY


Mollythedog

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


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