A particle moves in a straight line with a constant acceleration of 24 ft/s² for 6 s, zero acceleration for the next 4 s, and a constant acceleration of 14 ft/s? for the next 4 s. Knowing that the particle starts from the origin and that its velocity is 28 ft/s during the zero acceleration time interval, determine the position and the velocity of the particle and the total distance traveled when t =14 s. a (ft/s=) | 4. 10 14 t(s) 3. A particle moves in a straight line with the velocity shown in the figure. Knowing that x=-48 ft at t= 0, determine (a) the maximum value of the position coordinate of the particle, (b) the values of t for which the particle is at a distance of 108 ft from the origin. v (f/s)| 18 24 30 10 18 t (s) -18
A particle moves in a straight line with a constant acceleration of 24 ft/s² for 6 s, zero acceleration for the next 4 s, and a constant acceleration of 14 ft/s? for the next 4 s. Knowing that the particle starts from the origin and that its velocity is 28 ft/s during the zero acceleration time interval, determine the position and the velocity of the particle and the total distance traveled when t =14 s. a (ft/s=) | 4. 10 14 t(s) 3. A particle moves in a straight line with the velocity shown in the figure. Knowing that x=-48 ft at t= 0, determine (a) the maximum value of the position coordinate of the particle, (b) the values of t for which the particle is at a distance of 108 ft from the origin. v (f/s)| 18 24 30 10 18 t (s) -18
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
Transcribed Image Text:A particle moves in a straight line with a constant acceleration of 24 ft/s² for 6 s,
zero acceleration for the next 4 s, and a constant acceleration of 14 ft/s2 for the next 4 s.
Knowing that the particle starts from the origin and that its velocity is 28 ft/s during the
zero acceleration time interval, determine the position and the velocity of the particle and
the total distance traveled when t =14 s.
a (ft/s?)
4.
6
10
14
t(s)
-4
3.
A particle moves in a straight line with the velocity shown in the figure. Knowing
that x=-48 ft at t= 0, determine (a) the maximum value of the position coordinate of the
particle, (b) the values of t for which the particle is at a distance of 108 ft from the origin.
v(ft/s)
18
24 30
10
18
t (s)
-18
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