Why does a hot air balloon float?
the shape of the balloon prides lift.
the volume of the air displaced by the balloon is less than the volume of the balloon
the weight of the air displaced is less than the volume of the balloon
the weight of the balloon is less than the weight of the air displaced by the balloon
Answers: 1
Physics, 22.06.2019 10:00, unknown6669
Which type of basaltic lava flow has a fairly smooth
Answers: 2
Physics, 22.06.2019 13:30, kuddlebugsmommy
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Why does a hot air balloon float?
the shape of the balloon prides lift.
the volum...
the shape of the balloon prides lift.
the volum...
Arts, 16.10.2019 14:30