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The diagram below shows the xy position of a object every 4 seconds starting at t- 0. The distance between gridlines is 10 meters. What is true of the x acceleration? [ Select ) What is true of the y acceleration? Select l What is the best estimate of the y-velocity at t- 10s? Select Please remind yourself how to represent velocities and accelerations on motion diagrams. e 16 8 0

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Answer #1

1) position along X increasing and then decreasing therefore acceleration along X is negative

2) along y axis, particle covers equal distance in equal time, therefore acceleration is zero

3) velocity = distance/ time

= 20/4 = 5 m/s

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