Section1 1) In which of the following cases is there a no acceleration and no change in speed. (# 1.5pts extra credit) 1) A ball is whirled around a circle at 1.3 m/sec. li) A car approaches an intersection and slows down. ini) A car is stationary on a driveway. i) A ball is whirled around a circle at 1.3 m/sec. iin) A car is stationary on a di O iv) all of the above. () A car approaches an intersection and slows down. 2) A 30 Newton rock falls on towards the ground. Its air resistance at its terminal speed is ( 1.5pts extra credit) 0 Newtons > 30 Newtons 30 Newtons