Emission lines from different ionization states of the same element appear in the same place in the spectrum
Indicate whether the statement is true or false
FALSE
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Mass on a Spring: A block attached to an ideal spring of force constant (spring constant) 15 N/m executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of -0.90 m, a velocity of -0.80 m/s, and an acceleration of +2.9 m/s2. The mass of the block is closest to
A. 2.3 kg B. 2.6 kg C. 4.7 kg D. 9.4 kg
Young's Modulus: A 7.0-kg pipe is hung from a steel wire that is 2.5 m long and has a diameter of 0.75 mm. Young's modulus for steel is 2.0 × 1011 N/m2.(a) By what distance does the wire stretch?(b) If the wire diameter were doubled, what would be the stretch?
What will be an ideal response?
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Answer the following statement true (T) or false (F)
When light enters glass from air, which of these properties of the light change?
a. frequency c. speed b. wavelength d. all of the above