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Hi, could you please help me with these questions?

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Thanks in advance!


1. A 300 g mass is attached to the end of a spring that is suspended vertically from a ceiling.
The mass is pulled down then released, and the system begins to oscillate. What is the
period of oscillation if the spring's constant is 13.8 N/m? Express your answer to
three significant digits as s.
The values of a, b, and c are
, and
2. A wave is incident on a barrier as shown in the diagram below.
What is the angle of reflection (0) on the second barrier relative to the normal? Respond
to three significant digits as ab.c degrees.
The values for a, b, and c are
, and
3. A leaky faucet is dripping into the centre of a kitchen sink. John counts three drips in
five seconds. Each drop produces a circular wave travelling away from the drop point
with a speed of 12.0 cm/s. What is the wavelength of the resulting waves in the sink?
Respond to three significant digits as ab.c cm.
The values for a, b, and c are

Top Answer

1) a = 9, b = 2, and c = 6. 2)... View the full answer


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