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Author Question: A 3300. kg auto tows a 4500. kg horse trailer. If the engine causes the ground to push the car ... (Read 32 times)

james0929

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on: Jul 27, 2018
A 3300. kg auto tows a 4500. kg horse trailer. If the engine causes the ground to push the car forward with 8.58 kN:
 
  (a) What is the acceleration of the horse trailer?
  (b) What is the forward force on the trailer?
  (c) With how much force does the trailer pull back on the car?

Question 2

The following statements refer to man-made, artificial satellites in orbit around Earth. Which is an accurate statement?
 
  A) The velocity required to keep a satellite in a given orbit depends on the mass of the satellite.
  B) The period of revolution of a satellite moving about the Earth is independent of the size of the orbit it travels.
  C) A satellite in a large diameter circular orbit will always have a longer period of revolution about the Earth than will a satellite in a smaller circular orbit.
  D) It is possible to have a satellite traveling at either a high speed or at a low speed in a given circular orbit.
  E) Only circular orbits are possible for artificial satellites.


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Rilsmarie951

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 1.10 m/s2
(b) 4.95 kN
(c) 4.95 kN

Answer to Question 2

C


james0929

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

zacnyjessica

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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