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Author Question: Two astronauts, of masses 60 kg and 80 kg, are initially right next to each other and at rest in ... (Read 23 times)

eruditmonkey@yahoo.com

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on: Jul 29, 2018
Two astronauts, of masses 60 kg and 80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. What is their separation after the heavier astronaut has moved 12m?
 
  A) 9.0 m
  B) 16 m
  C) 21 m
  D) 24 m
  E) 28 m

Question 2

A heavy dart and a light dart are launched horizontally on a frictionless table by identical ideal springs. Both springs were initially compressed by the same amount.
 
  Which of the following statements about these darts are correct? (There could be more than one correct choice.) A) The darts both have the same kinetic energy just as they move free of the spring.
  B) The lighter dart leaves the spring moving faster than the heavy dart.
  C) The heavy dart had more initial elastic potential energy than the light dart.
  D) Both darts move free of the spring with the same speed.
  E) Both darts had the same initial elastic potential energy.
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Tonny

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Reply #1 on: Jul 29, 2018
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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eruditmonkey@yahoo.com

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Reply 2 on: Jul 29, 2018
:D TYSM

amandanbreshears

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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