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Author Question: A projectile that is fired vertically at 5 km/s from the Earth's surface will A) go into a ... (Read 11 times)

nevelica

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on: Jul 29, 2018
A projectile that is fired vertically at 5 km/s from the Earth's surface will
 
  A) go into a circular orbit about Earth.
  B) go into an elliptical orbit about Earth.
  C) rise and fall back to Earth's surface.
  D) none of the above

Question 2

Consider a monkey wrench released at rest at the far edge of the solar system that drops to Earth by virtue of only Earth's gravity. The wrench will strike Earth's surface with a speed of about
 
  A) 10 m/s.
  B) 8 km/s.
  C) 11 km/s.
  D) the speed of light.


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guyanai

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

Answer: C

Answer to Question 2

Answer: C


nevelica

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Reply 2 on: Jul 29, 2018
:D TYSM

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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