- If the man heard the ambulance drive by at 20 m/s with its siren clocking at a frequency of 900 Hz, what was the speed of sound during this moment in time?
different wanted
Bihudhaane the analer effect

An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.

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.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?