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Author Question: Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. If ... (Read 73 times)

ss2343

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on: Jul 29, 2018
Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. If there is no air resistance, when they hit the ground
 
  A) both will have the same kinetic energy.
  B) the heavier one will have twice the kinetic energy of the lighter one.
  C) the heavier one will have four times the kinetic energy of the lighter one.
  D) the heavier one will have half the kinetic energy of the lighter one.
  E) the heavier one will have one-fourth the kinetic energy of the lighter one.

Question 2

A phototube has a stopping potential of 2.80 V when the cathode is illuminated with bichromatic light of 400 nm and 600 nm wavelengths. The maximum speed of the emitted photoelectrons, in SI units, is closest to:
 
  A) 9.9  105
  B) 9.3  105
  C) 1.1  106
  D) 1.2  106
  E) 1.3  106
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yotaSR5

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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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ss2343

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

chjcharjto14

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Reply 3 on: Yesterday
Excellent

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