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Author Question: The curved section of a speedway is a circular arc having a radius of 190 m. This curve is properly ... (Read 130 times)

schs14

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on: Jul 29, 2018
The curved section of a speedway is a circular arc having a radius of 190 m. This curve is properly banked for racecars moving at 34 m/s. At what angle with the horizontal is the curved part of the speedway banked?
 
  A) 34 B) 30 C) 28 D) 32 E) 26

Question 2

You are standing in a moving bus, facing forward, when you suddenly slide forward as the bus comes to an immediate stop. What force caused you to slide forward from the point of view of the observer on the ground?
 
  A) the force that Earth exerts on you
   B) the force exerted by the floor of the bus on you perpendicular to the floor
   C) the force exerted by the floor of the bus parallel to the floor (the friction force)
   D) There is not a force causing you to your fall.
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perkiness

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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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schs14

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Reply #2 on: Jul 29, 2018
Thank you!


perkiness

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Reply #3 on: Jul 29, 2018
Always glad to help...


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