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Author Question: A toy rocket, launched from the ground, rises vertically with an acceleration of 20 m/s2 for 6.0 s ... (Read 148 times)

KWilfred

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on: Aug 1, 2020

Question 1

A swimmer swims 20 laps in a north-south facing pool in 7.00 minutes. Her first lap is toward the north. Her displacement and average velocity are

◦
0; 0.

◦
0; 2.38 m/s, south.

◦
0; 2.38 m/s, north.

◦
1 000 m, south; 2.38 m/s, south.

◦
1 000 m, north; 2.38 m/s, north.


Question 2

A toy rocket, launched from the ground, rises vertically with an acceleration of 20 m/s2 for 6.0 s until its motor stops. Disregarding any air resistance, what maximum height above the ground will the rocket achieve?

◦
1.1 km

◦
0.73 km

◦
1.9 km

◦
0.39 km

◦
1.5 km
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by KWilfred on Aug 1, 2020

jrpg123456

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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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KWilfred

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Reply 2 on: Aug 1, 2020
Excellent

blakcmamba

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

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