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Author Question: A 3.0-kg mass is dropped from the edge of a 50-m tall building with an initial speed of zero. The ... (Read 133 times)

storky111

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on: Aug 1, 2020
A 3.0-kg mass is dropped from the edge of a 50-m tall building with an initial speed of zero. The mass strikes the ground with a downward velocity of 25 m/s. Find the change in mechanical energy of the mass caused by air resistance between the point where it is dropped and the point where it strikes the ground?

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−0.46 kJ

◦
−0.53 kJ

◦
−0.61 kJ

◦
−0.38 kJ

◦
−0.81 kJ
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Marked as best answer by storky111 on Aug 1, 2020

tmlewis4706

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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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storky111

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Reply 2 on: Aug 1, 2020
Wow, this really help

vickybb89

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

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