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Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart rolling up or down the ramp?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart speeding up or slowing down?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
Is the cart rolling toward detector or away?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
is the acceleration positive, negative or zero?
