Which of the following is the region of a sound wave in which the density and pressure are greater than normal? a.
rarefaction
c.
amplitude
b.
compression
d.
wavelength

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

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 jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.