Ahot air balloon travels 18 kilometers west and then travels 50 kilometers east. what is the current position of the hot air balloon? 68 kilometers east of its starting location. 32 kilometers east of its starting location. 32 kilometers west of its starting location. 50 kilometers west of its starting location.

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in