Why does a hot air balloon rise?
a. the weight of the air displaced by the balloon is l...
Physics, 04.12.2019 10:31 juancarlosguevpdppo5
Why does a hot air balloon rise?
a. the weight of the air displaced by the balloon is less than the volume of the balloon.
b. the weight of the balloon is less than the weight of the air displaced by the balloon.
c. the volume of the air displaced by the balloon is less than the volume of the balloon.
Answers: 1
Another question on Physics
Physics, 22.06.2019 00:00
What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each
Answers: 1
Physics, 22.06.2019 04:10
Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l
Answers: 2
Physics, 22.06.2019 04:30
The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.
Answers: 1
Physics, 22.06.2019 22:30
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
Answers: 3
You know the right answer?
Questions
Computers and Technology, 23.11.2020 17:00
History, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Biology, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Spanish, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
History, 23.11.2020 17:00
History, 23.11.2020 17:00
Social Studies, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
