An alpha particle has a mass of 6.64 10-27 kg and a charge of ...

[folubunmi]

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

[yasmin]

Answer to Question 1

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

Answer to Question 2

D

[folubunmi]

Thanks for the timely response, appreciate it

[scottmt]

Great answer, keep it coming