1. During a certain time interval, the angular position of a swinging door is described by...
1. During a certain time interval, the angular position of a swinging door is described by
θ(t) = 5.00 + 10.0t+ 2.00t2,
where
θ is in radians and
t is in seconds. Determine the angular position, angular
speed, and angular acceleration of the door at
(a)
t = 0, and
(b)
t = 3.00 seconds.
Homework Answers
Angular position at time t is given by
Angular speed is given by
Angular acceleration is given by
a) So angular position at time t=0 s is
Angular speed at t=0 s is
Angular acceleration is constant with respect to time and is
b) So angular position at time t=3 s is
Angular speed at t=3 s is
Angular acceleration is constant with respect to time and is
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