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Author Question: When rolled down a mountainside at 7.0 m/s, the horizontal component of its velocity vector was 1.8 ... (Read 82 times)

bobypop

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on: Jul 29, 2018
When rolled down a mountainside at 7.0 m/s, the horizontal component of its velocity vector was 1.8 m/s. What was the angle of the mountain surface above the horizontal?
 
  A) 15 B) 75 C) 33 D) 57

Question 2

A pendulum of length L is suspended from the ceiling of an elevator. When the elevator is at rest the period of the pendulum is T. How does the period of the pendulum change when the elevator moves downward with constant acceleration?
 
  A) The period becomes zero.
  B) The period increases.
  C) The period decreases.
  D) The period does not change.
  E) The period increases if the upward acceleration is more than g/2 but decreases if the upward acceleration is less than g/2.
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cam1229

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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bobypop

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

carlsona147

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Reply 3 on: Yesterday
:D TYSM

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