For the wave described by 
, determine the x coordinate of the second maximum when t = 0.
A. 20 m
B. 18 m
C. 24 m
D. 28 m
E. 16 m
Answer: A
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In a rollercoaster, provided losses of thermal energy because of friction can be neglected because:
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A spring with a spring constant of 8.0 N/m is compressed to 20 cm. If the spring is uncompressed initially, then the work done is
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In a transformer, how many turns are necessary in a 110-V primary if the 24-V secondary has 100 turns?
A) 458 B) 240 C) 110 D) 22 E) 4
What is the "cosmological constant?"
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