Can anyone help me with 2 3 4
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Can anyone help me with 2 3 4
Transcribed Image Text:5.4 Problems
1. Determine the period and frequency of the simple har-
monic motion of a 4-kg mass on the end of a spring with
spring constant 16 N/m.
2. Determine the period and frequency of the simple har-
monic motion of a body of mass 0.75 kg on the end of
a spring with spring constant 48 N/m.
3. A mass of 3 kg is attached to the end of a spring that is
stretched 20 cm by a force of 15 N. It is set in motion with
initial position xo = 0 and initial velocity vo = -10 m/s.
Find the amplitude, period, and frequency of the resulting
motion.
4. A body with mass 250 g is attached to the end of a spring
that is stretched 25 cm by a force of 9 N. At time / =0 the
body is pulled I m to the right, stretching the spring, and
set in motion with an initial velocity of 5 m/s to the left.
(a) Find x (1) in the form C cos(@ot-a). (b) Find the
amplitude and period of motion of the body.
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