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Unformatted text preview: 2 ) t (s) 1 4 2 6 v ( t = 6s) =? A. 2 m/s B. 4 m/s C. 6 m/s D. 7 m/s E. 8 m/s 0 v (m/s) t (s) 5 2 1 3 At t =0 the position of a particle is x =5 m. If its velocity v ( t ) is as shown, what is its position at t=3 s ? x ( t =3s) = ? A. 5 m B. 0 m C. 2.5 m D. 5 m E. 7.5 m 0 5 Transfer out thinking among: When a traffic light turns green at t =0, a car moves forward from rest at x =0 and eventually comes to a stop at the next red light at t =t s . Which of the following xt graphs could describe the motion of the car? (Pick one.) t x (A) t s t x (D) t s t x (B) t s t x (C) t s 0 0 0 0 Which of the following xt graphs could describe the motion of a simple pendulum? t x (A) (D) t x (C) t x (B) t x Ultrasonic ranger: sends very short pulses of ultrasound, then listens for time of echo Pendulum: Measuring distance using echos of reflected ultrasound...
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This note was uploaded on 10/27/2010 for the course PHYS 2207 at Cornell.
 '07
 LIEPE, M
 Physics, Acceleration

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