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Author Question: A split highway has a number of lanes for traffic. For traffic going in one direction, the radius ... (Read 110 times)

lindiwe

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on: Aug 1, 2020

Question 1

A skydiver of 75 kg mass has a terminal velocity of 60 m/s. At what speed is the resistive force on the skydiver half that when at terminal speed?

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15 m/s

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49 m/s

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30 m/s

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42 m/s

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36 m/s


Question 2

A split highway has a number of lanes for traffic. For traffic going in one direction, the radius for the inside of the curve is half the radius for the outside. One car, car A, travels on the inside while another car of equal mass, car B, travels at equal speed on the outside of the curve. Which statement about resultant forces on the cars is correct?

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The force on A is half the force on B.

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The force on B is half the force on A.

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The force on A is four times the force on B.

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The force on B is four times the force on A.

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There is no net resultant force on either as long as they stay on the road while turning.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by lindiwe on Aug 1, 2020

jointhecircus

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Reply #1 on: Aug 1, 2020
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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lindiwe

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Reply 2 on: Aug 1, 2020
Excellent

Joy Chen

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

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