consider the end at A1 is on the ground (y1=0.0) while the speeds are ( V1= 3 m/s and V2=5 m/s) the height y2= 0.6 m. If the density of water is 1000kg/m3, the change in pressure equals ?

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Most of the volume of an atom is occupied by the