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Author Question: Boat 1 goes directly across a stream a distance L and back taking a time t1. Boat 2 goes down stream ... (Read 109 times)

lindiwe

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on: Aug 10, 2020

Question 1

Assume a gram of a substance marketed as "Pure Energy" is annihilated by a gram of a second substance "Anti-Pure Energy." How long would the energy released power a city which uses 109 watts of power?

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40 hrs

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25 hrs

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50 hrs

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65 hrs

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50000 hrs


Question 2

Boat 1 goes directly across a stream a distance L and back taking a time t1. Boat 2 goes down stream a distance L and back taking a time t2. If both boats had the same speed relative to the water, which of the following statements is true?

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t2>t1

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t2<t1

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t2 = t1

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t2 = 2t1

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t2 = 0.5t1
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by lindiwe on Aug 10, 2020

Awesome

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Reply #1 on: Aug 10, 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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chia ling hsu

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Reply #2 on: Sep 24, 2020
thank you


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