The displacement of an object is x = (9.0 cm) cos (2.0 t +Ï/3), where x is in centimeters andt is in seconds. Calculate (a) the speed and accelerationat t = Ï/2 scm/scm/s2(b) the maximum speed and the earliest time (t > 0) atwhich the particle has this speed,cm/ss(c) the maximum acceleration and the earliest time (t >0) at which the particle has this acceleration.cm/s2s

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16 Jun 2019

The displacement of an object is x = (9.0 cm) cos (2.0 t +Ï/3), where x is in centimeters andt is in seconds. Calculate (a) the speed and accelerationat t = Ï/2 s
cm/s
cm/s²
(b) the maximum speed and the earliest time (t > 0) atwhich the particle has this speed,
cm/s
s
(c) the maximum acceleration and the earliest time (t >0) at which the particle has this acceleration.
cm/s²
s

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18 Jun 2019

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