An object is dropped from a vertical distance of 25.5 m above the ground, and it takes 2.28 sec to fall that distance. a second identical object to launched from the same height, with a horizontal velocity of 45.9 m/s. how long does the second object take to fall the 25.5 m?

If the new moon happens on january 15th, what shape will it be on february 6th?

Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c. what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2