In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression, x = 6.00 cos (3t + where x is in centimeters and t is in seconds. (a) At t = 0, find the position of the piston. What is effect of the phase constant, x/6, in the expression for x(t)? cm (b) At t = 0, find velocity of the piston. How do you find the velocity v(t) of an object if you know the position as a function of time, x(t)? cm/s (c) At t = 0, find acceleration of the piston. | cm/s²

College Physics
11th Edition
ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression,
x = 6.00 cos (3t + *)
where x is in centimeters and t is in seconds.
(a) At t = 0, find the position of the piston.
What is effect of the phase constant, x/6, in the expression for x(t)? cm
(b) At t = 0, find velocity of the piston.
How do you find the velocity v(t) of an object if you know the position as a function of time, x(t)? cm/s
(c) At t = 0, find acceleration of the piston.
| cm/s²
(d) Find the period and amplitude of the motion.
period
amplitude|
cm
Transcribed Image Text:In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression, x = 6.00 cos (3t + *) where x is in centimeters and t is in seconds. (a) At t = 0, find the position of the piston. What is effect of the phase constant, x/6, in the expression for x(t)? cm (b) At t = 0, find velocity of the piston. How do you find the velocity v(t) of an object if you know the position as a function of time, x(t)? cm/s (c) At t = 0, find acceleration of the piston. | cm/s² (d) Find the period and amplitude of the motion. period amplitude| cm
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