Example 15.3 Oscillations on a Horizontal Surface A 1.50-kg cart connected to a light spring for which the force constant is 22.5 N/m oscillates on a frictionless, horizontal air track. amax (A) Calculate the maximum speed of the cart if the amplitude of the motion is 3.00 cm. max (B) What is the velocity of the cart when the position is 2.00 cm? amax (C) Compute the kinetic and potential energies of the system when the position of the cart is 2.00 cm. max SOLVE IT (A) Calculate the maximum speed of the cart if the amplitude of the motion is 3.00 cm. amax Conceptualize The system oscillates in exactly the same way as the block in the figure. Categorize The cart is modeled as a particle in simple harmonic motion. -A -A Several instants in the simple harmonic motion for a block-spring system

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Example 15.3
Oscillations on a Horizontal Surface
A 1.50-kg cart connected to a light spring for
which the force constant is 22.5 N/m oscillates on
max
a frictionless, horizontal air track.
(A) Calculate the maximum speed of the cart if the
amplitude of the motion is 3.00 cm.
max
(B) What is the velocity of the cart when the
position is 2.00 cm?
amax
(C) Compute the kinetic and potential energies of
the system when the position of the cart is
2.00 cm.
Vmax
SOLVE IT
(A) Calculate the maximum speed of the cart if the
amplitude of the motion is 3.00 cm.
amax
Conceptualize The system oscillates in exactly
the same way as the block in the figure.
Categorize The cart is modeled as a particle in
simple harmonic motion.
-A
-A
Several instants in the simple harmonic motion for
a block-spring system.
Analyze Use the equation to express the
E -a? -mmax
total energy of the oscillator system and
equate it to the kinetic energy of the
system when the cart is at x = 0:
Solve for the maximum speed:
V max =
m/s
MacBook PrO
esc
#3
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Transcribed Image Text:Example 15.3 Oscillations on a Horizontal Surface A 1.50-kg cart connected to a light spring for which the force constant is 22.5 N/m oscillates on max a frictionless, horizontal air track. (A) Calculate the maximum speed of the cart if the amplitude of the motion is 3.00 cm. max (B) What is the velocity of the cart when the position is 2.00 cm? amax (C) Compute the kinetic and potential energies of the system when the position of the cart is 2.00 cm. Vmax SOLVE IT (A) Calculate the maximum speed of the cart if the amplitude of the motion is 3.00 cm. amax Conceptualize The system oscillates in exactly the same way as the block in the figure. Categorize The cart is modeled as a particle in simple harmonic motion. -A -A Several instants in the simple harmonic motion for a block-spring system. Analyze Use the equation to express the E -a? -mmax total energy of the oscillator system and equate it to the kinetic energy of the system when the cart is at x = 0: Solve for the maximum speed: V max = m/s MacBook PrO esc #3 $ % 3. 4 Q W E R Y T
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