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Author Question: A 12-kg projectile is launched with an initial vertical speed of 20 m/s. It rises to a maximum ... (Read 129 times)

mckennatimberlake

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on: Aug 1, 2020
A 12-kg projectile is launched with an initial vertical speed of 20 m/s. It rises to a maximum height of 18 m above the launch point. What is the change in mechanical energy caused by the dissipative (air) resistive force on the projectile during this ascent?

◦
−0.64 kJ

◦
−0.40 kJ

◦
−0.52 kJ

◦
−0.28 kJ

◦
−0.76 kJ
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Marked as best answer by mckennatimberlake on Aug 1, 2020

Eazy416

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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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mckennatimberlake

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Reply 2 on: Aug 1, 2020
Great answer, keep it coming :)

dreamfighter72

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Reply 3 on: Yesterday
Excellent

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