What is the wavelength associated with the electron in the n = 2 state of hydrogen?
A) 3.32 × 10-10 m
B) 2.03 × 10-10 m
C) 6.66 × 10-10 m
D) 4.63 × 10-10 m
E) 8.17 × 10-10 m
C
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An ideal spring with a spring constant of 15 N/m is initially compressed by 3.0 cm from its uncompressed position. How much work is required to compress the spring an additional 4.0 cm?
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