A60 kg student is standing motionless. approximately how much force is the floor exerting on the student? a. 60 kg downward b.600 n upward c.600 n downward

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

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?

Matter that emits no light at any wavelength is called