In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression, x = 6.00 cos (5t + where x is in centimeters and t is in seconds. (a) At t-0, find the position of the piston 5.40581 cm (b) At t-0, find velocity of the piston. 2.60 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. -5.40581x X cm/s2 (d) Find the period and amplitude of the motion. period 6.28 amplitude6
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