An object moves along a straight line with acceleration -8ms?. It starts its motion at the origin with velocity 16ms. (i) Write down equations for its position and velocity at time t s. Find the smallest non-zero time when (a) the velocity is zero (b) the object is at the (ii) origin. Sketch the position-time, velocity-time and speed-time graphs for 0sts4. (iii)

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Chapter1: Units, Trigonometry. And Vectors
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3. An object moves along a straight line with acceleration -8ms?. It starts its motion at the origin
with velocity 16ms.
(i)
Write down equations for its position and velocity at timets.
Find the smallest non-zero time when (a) the velocity is zero (b) the object is at the
(ii)
origin.
Sketch the position-time, velocity-time and speed-time graphs for 0sts4.
(ii)
Transcribed Image Text:3. An object moves along a straight line with acceleration -8ms?. It starts its motion at the origin with velocity 16ms. (i) Write down equations for its position and velocity at timets. Find the smallest non-zero time when (a) the velocity is zero (b) the object is at the (ii) origin. Sketch the position-time, velocity-time and speed-time graphs for 0sts4. (ii)
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