Jill has built herself an incline for a ball using a plank of wood that is one m

Question

Jill has built herself an incline for a ball using a plank of wood that is one meter long.

She sets the ball at the half-way point (see picture) and practices rolling the ball up hill so that the ball just makes it to the top before rolling all the way down.(Let's let the top of the incline be the position x = 1.00 meters; note the x-axis shown.) Once she launches the ball, it rolls freely; she doesn't touch it, and friction is negligible.

1) Pick the graph that best represents an appropriate position-time graph for the ball. ___?

2) Pick the graph that best represents an appropriate velocity-time graph for the ball. ___?

3) Pick the graph that best represents an appropriate acceleration-time graph for the ball. ___?

Explanation / Answer

part 1 )

C

ball start from mid point and goes to highest then come back

part 2 )

A

part 3 )

C

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