Calculate the density of a rock that has a mass of 32 grams and a volume of

4.5 mL.

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?