A 2.00 kg mass is connected to a spring with a spring constant of 900 N/m. The displacement is given by the expression x(t) = 12.0 cm sin
What is the frequency of the simple harmonic motion?
A. 5.02 Hz
B. 4.21 Hz
C. 3.38 Hz
D. 2.56 Hz
E. 2.05 Hz
C. 3.38 Hz
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Do you think there is any way to obtain direct evidence for this larger universe?
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Two converging lenses, the first with focal length 25 cm and the second with focal length 20 cm, are separated by 30 cm. A 4.0 cm tall object is placed 50 cm in front of the first lens. Where is the final image?
A. 20 cm after the second lens B. 20 cm before the second lens C. 10 cm after the second lens D. 10 cm before the second lens E. 50 cm after the second lens