sound propagates in sea water with a speed of 1531 m/s at 25 degrees C. calculate the modulus of adiabatic compressibility of sea water knowing that its density is 1025 kg/m^3​

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions

The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?