subject
Physics, 22.06.2019 23:30 amandajbrewerdavis

Ahot air balloon pilot wants the balloon to quickly rise several feet higher so it will be above some trees in the distance. which best explains how the pilot can make the balloon rise? 1. the pilot can adjust the temperature inside the balloon so it is equal to the temperature of the surrounding air. 2. the pilot can adjust the density of the air inside the balloon so it is equal to the density of the surrounding air. 3. the pilot can decrease the temperature inside the balloon so it is cooler than the surrounding air.

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 16:10
Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i.e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)
Answers: 1
question
Physics, 22.06.2019 08:30
An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?
Answers: 1
question
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
question
Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
Answers: 1
You know the right answer?
Ahot air balloon pilot wants the balloon to quickly rise several feet higher so it will be above som...
Questions
question
Mathematics, 03.07.2019 00:20
question
Mathematics, 03.07.2019 00:30
question
Physics, 03.07.2019 00:30