Connie flew from Phoenix to Flagstaff, a distance of 180 miles at a constant speed of 180 miles per hour. She the returned to the same airport at a constant speed of 90. miles per hour.
a.) What was Connie's average speed in miles/hour?

it is the second option.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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