A mass on a spring vibrates horizontally on a smooth level surface (see the figure). Its equation of motion is x(t) = 4 cos(t), where t is in seconds and x is in centimeters. equilibrium position (a) Find the velocity and acceleration at time t. v(t) = a(t) = (b) Find the position, velocity, and acceleration of the mass at time t = 5n/6. x() - 5п %3D () =| 5л 5п In what direction is it moving at that time? 5п Since ? v 0, the particle is moving to the ---Select--- ▼

Principles of Physics: A Calculus-Based Text
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A mass on a spring vibrates horizontally on a smooth level surface (see the figure). Its equation of motion is x(t) = 4 cos(t), where t is in seconds and x is in centimeters.
equilibrium
position
(a) Find the velocity and acceleration at time t.
v(t) =
a(t) =
(b) Find the position, velocity, and acceleration of the mass at time t = 5n/6.
x() -
5п
%3D
() =|
5л
5п
In what direction is it moving at that time?
5п
Since
? v 0, the particle is moving to the ---Select--- ▼
Transcribed Image Text:A mass on a spring vibrates horizontally on a smooth level surface (see the figure). Its equation of motion is x(t) = 4 cos(t), where t is in seconds and x is in centimeters. equilibrium position (a) Find the velocity and acceleration at time t. v(t) = a(t) = (b) Find the position, velocity, and acceleration of the mass at time t = 5n/6. x() - 5п %3D () =| 5л 5п In what direction is it moving at that time? 5п Since ? v 0, the particle is moving to the ---Select--- ▼
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