Question

A 200.g block on a horizontal, frictionless surface is located between two unstrained springs. The spring on the left of the block has a spring constant of 35N/m and the spring on the right has a constant of 85N/m. a) How much work must be done by an external force to displace the block 3.0cm to the left? b) If the block is released from the above position, how fast will the block be moving when it returns to the equilibrium position? c) What will the frequency of oscillation be

Answer #1

A block rests on a frictionless horizontal surface and is
attached to a spring. When set into simple harmonic motion, the
block oscillates back and forth with an angular frequency of 8.9
rad/s. The drawing shows the position of the block when the spring
is unstrained. This position is labeled ''x = 0 m.'' The drawing
also shows a small bottle located 0.080 m to the right of this
position. The block is pulled to the right, stretching the spring...

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he block in the figure lies on a horizontal frictionless
surface, and the spring constant is 50 N/m. Initially, the spring
is at its relaxed length and the block is stationary at position x
= 0. Then an applied force with a constant magnitude of 4.0 N pulls
the block in the positive direction of the x axis, stretching the
spring until the block stops. When that stopping point is reached,
what are (a) the position of the block, (b)...

A block with mass m = 4.2 kg is attached to two springs with
spring constants kleft = 34 N/m and kright =
57 N/m. The block is pulled a distance x = 0.22 m to the left of
its equilibrium position and released from rest.
What is the magnitude of the net force on the block (the moment
it is released)?
What is the effective spring constant of the two springs?
N/m
What is the period of oscillation of...

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spring constants kleft = 37 N/m and kright = 51 N/m. The block is
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position and released from rest.
What is the magnitude of the net force on the block (the moment
it is released)?
What is the effective spring constant of the two springs?
What is the period of oscillation of the...

A block with mass m = 4.9 kg is attached to two springs with
spring constants kleft = 30 N/m and kright =
55 N/m. The block is pulled a distance x = 0.22 m to the left of
its equilibrium position and released from rest.
1)
What is the magnitude of the net force on the block (the moment
it is released)?
2)
What is the effective spring constant of the two springs?
3)
What is the period of...

A block with mass m = 5.7 kg is attached to two springs with
spring constants kleft = 36 N/m and kright =
53 N/m. The block is pulled a distance x = 0.22 m to the left of
its equilibrium position and released from rest.
1)
What is the magnitude of the net force on the block (the moment
it is released)?
N
2)
What is the effective spring constant of the two springs?
N/m
3)
What is the...

A block with mass m = 6.8 kg is attached to two springs with
spring constants kleft = 36 N/m and kright =
56 N/m. The block is pulled a distance x = 0.28 m to the left of
its equilibrium position and released from rest.
1)
What is the magnitude of the net force on the block (the moment
it is released)?
N
2)
What is the effective spring constant of the two springs?
N/m
3)
What is the...

. A block of mass 2.00 kg is attached to a horizontal spring
with a force constant of 500 N/m. The spring is stretched 5.00 cm
from its equilibrium position and released from rest. Use
conservation of mechanical energy to determine the speed of the
block as it returns to equilibrium
(a) if the surface is frictionless
(b) if the coefficient of kinetic friction between the block and
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A block with mass m = 6.3 kg is attached to two springs
with spring constants kleft = 32 N/m and
kright = 51 N/m. The block is pulled a distance x = 0.22
m to the left of its equilibrium position and released from
rest.
1. Where is the block located, relative to equilibrium, at a
time 1.07 s after it is released? (if the block is left of
equilibrium give the answer as a negative value; if the...

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