The superheroine Xanaxa, with a mass of 60.1 kg, is in a hair–raising chase after the 74.5
kg archvillain Lexlax. She leaps from the ground to the top of a 175
m high building, then dives off and comes to rest at the bottom of a 18.5
m deep excavation, where she finds Lexlax and neutralizes him

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

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?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c