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Author Question: An alpha particle has a mass of 6.64 10-27 kg and a charge of 3.20 10-19 C, and it is traveling at ... (Read 98 times)

folubunmi

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on: Jul 29, 2018
An alpha particle has a mass of 6.64  10-27 kg and a charge of 3.20  10-19 C, and it is traveling at 0.9650c.
 
  (c = 3.00  108 m/s), 1 eV = 1.60  10-19 J)
  (a) What is its rest energy (in GeV)?
  (b) What is its total energy (in GeV)?
  (c) What is its kinetic energy (in GeV)?

Question 2

A lab specimen is 15.2 mm from a converging lens. The image is 4.0 mm tall and 9.0 cm from the lens. How tall is the specimen?
 
  A) 6.8 mm B) 1.7 mm C) 5.4 mm D) 0.68 mm


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yasmin

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Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 3.74 GeV (b) 14.2 GeV (c) 10.5 GeV

Answer to Question 2

D


folubunmi

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

tkempin

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Reply 3 on: Yesterday
Excellent

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