Module # MECH_P_065_Douglas_C_Giancoli
Statement
The position of a ball rolling in a straight line is given by
x = 2.0 - 3.6 t 1.1 t2,
where x is in meters and t in seconds.
(a) Determine the position of the ball at t = 1.0 s, 2.0 s, and 3.0 s.
(b) What is the average velocity over the interval t = 1.0 s to t = 3.0 s?
(c) What is its instantaneous velocity at t = 2.0 s and at t = 3.0 s?
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Задача на теорему об изменении кинетической энергии