A PARTICLE MOVES ALONG THE X-AXIS. ITS POSITION VARIES WITH TIME ACCORDING TO THE EXPRESSION x = -4t + 2t2, WHERE x IS IN METERS AND t IS IN SECONDS. THE POSITION-TIME GRAPH FOR THIS MOTION IS SHOWN IN THE FIGURE. x (m) 10 B Displacement: 8 -2 4 6. Slope = +4 m/s Slope = -2 m/s 4 a. Displacement at t = 0s –t=1s and t =1st=3 s b. Average velocity during the time intervals in (a) (s) c. Instantaneous velocity at t= 2.5 s 3 4
A PARTICLE MOVES ALONG THE X-AXIS. ITS POSITION VARIES WITH TIME ACCORDING TO THE EXPRESSION x = -4t + 2t2, WHERE x IS IN METERS AND t IS IN SECONDS. THE POSITION-TIME GRAPH FOR THIS MOTION IS SHOWN IN THE FIGURE. x (m) 10 B Displacement: 8 -2 4 6. Slope = +4 m/s Slope = -2 m/s 4 a. Displacement at t = 0s –t=1s and t =1st=3 s b. Average velocity during the time intervals in (a) (s) c. Instantaneous velocity at t= 2.5 s 3 4
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Transcribed Image Text:A PARTICLE MOVES ALONG THE X-AXIS. ITS POSITION VARIES WITH TIME ACCORDING
TO THE EXPRESSION x = -4t + 2t2, WHERE x IS IN METERS AND t IS IN SECONDS. THE
POSITION-TIME GRAPH FOR THIS MOTION IS SHOWN IN THE FIGURE.
х (m)
10
B)
A
Displacement:
4
6.
Slope = +4 m/s
Slope = -2 m/s
a. Displacement at t= 0 s-t=1s and t =1s t= 3 s
C)
b. Average velocity during the time intervals in (a)
A)
(s)
B
c. Instantaneous velocity at t= 2.5 s
1
3.
4
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