Author Question: A 1959 penny has a diameter of 19.55 mm, a thickness of 1.55 mm, and a mass of 2.500 g. What is its ... (Read 66 times)

stevenposner · **on:** Jul 29, 2018

A 1959 penny has a diameter of 19.55 mm, a thickness of 1.55 mm, and a mass of 2.500 g. What is its density?

A) 5.37 103 kg/m3
B) 21.5 103 kg/m3
C) 1.34 103 kg/m3
D) 2.68 103 kg/m3
E) 1.86 10-4 kg/m3

Question 2

A beam of X-rays at a certain wavelength are scattered from a free electron at rest and the scattered beam is observed at 45.0 to the incident beam. What is the Compton shift?

A) 1.75 10-13 m
B) 2.76 10-13 m
C) 0 m
D) 3.56 10-13 m
E) 7.11 10-13 m