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Author Question: Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an axial ... (Read 276 times)

rmenurse

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on: Jul 29, 2018
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an axial spin rate 1/2 that of Earth.
 
  With g representing, as usual, the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the surface of Z-34 is
  A) g/3. B) 3g. C) 9g. D) g/9. E) 6g.

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) 26.7 m/s B) 26.0 m/s C) 28.7 m/s D) 27.4 m/s E) 28.1 m/s


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LVPMS

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

B

Answer to Question 2

A


rmenurse

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Reply #2 on: Jul 29, 2018
TY


LVPMS

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


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