the formula for K. E = 1/2 x mass (kg) x velocity* (m/s). If you want to increase the K. E of an object, what is the best way to do it and why?

Apossible explanation for a set of facts that can be tested by further investigation is called

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

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?