Sound is a longitudinal wave. (a) Sketch a representation of a longitudinal wave. On your sketch:
indicate and label a distance to show the wavelength,
mark and label the centre of one compression,
mark and label the centre of one rarefaction.

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)

The amount of potential energy possessed by an elevated object is equal to