Two equal masses of different materials are mixed If their denisties are 2000kg/m^3 and 6000kg/m^3 volume of mixture equal summation of Volume of materials before mixing find average denisty​

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

What is the rate of change in a objects position?

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?