A load of mass 120kg is raised vertically through a height of 2m in
30s by a machine whose efficiency,
is 100% Calculate the power generated
by the machine​

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

Which sound characteristic is not affected by the relative motion of an object

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?