A block attached to a spring, oscillates on a frictionless horizontal surface with a period of 0.3 s. The time needed by the block to move (for the first time) from position x = - A to x = -A/2 is:

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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4:32
A block attached to a spring,
oscillates on a frictionless horizontal
surface with a period of 0.3 s. The
time needed by the block to move
(for the first time) from position x = -
A to x = -A/2 is:
0.05 sec
0.15 sec
0.3 sec
0.2 sec
0.1 sec
A musical note on a piano has a
frequency of 40 Hz. If the tension in
the 2-m string is 308 N, and one-half
wavelength occupies the string, what
is the mass of the wire?
0.024 kg
0.031 kg
0.047 kg
0 040 ka
Transcribed Image Text:*历 4:32 A block attached to a spring, oscillates on a frictionless horizontal surface with a period of 0.3 s. The time needed by the block to move (for the first time) from position x = - A to x = -A/2 is: 0.05 sec 0.15 sec 0.3 sec 0.2 sec 0.1 sec A musical note on a piano has a frequency of 40 Hz. If the tension in the 2-m string is 308 N, and one-half wavelength occupies the string, what is the mass of the wire? 0.024 kg 0.031 kg 0.047 kg 0 040 ka
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