A mosquito flying at 20 m/s that encounters a breeze blowing at 20 m/s in the same direction has a speed of

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.