lim (kl9356) – Homework 18 – Weathers – (17104)
1
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12
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001
10.0 points
A particle executes simple harmonic motion
with an amplitude of 4
.
5 cm.
At what positive displacement from the
midpoint of its motion does its speed equal
one half of its maximum speed?
Answer in
units of cm.
002
(part 1 of 3) 10.0 points
A block of unknown mass is attached to a
spring of spring constant 8
.
9 N
/
m and under
goes simple harmonic motion with an ampli
tude of 10
.
4 cm.
When the mass is halfway
between its equilibrium position and the end
point, its speed is measured to be 33
.
2 cm
/
s.
Calculate the mass of the block. Answer in
units of kg.
003
(part 2 of 3) 10.0 points
Find the period of the motion.
Answer in
units of s.
004
(part 3 of 3) 10.0 points
Calculate the maximum acceleration of the
block. Answer in units of m
/
s
2
.
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 Fall '08
 Weathers
 Magnetism, Simple Harmonic Motion, Work, 5 m, 4 j, 4.1 m

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