QUESTION 8[force and pressure]Diagram shows four hot air balloons, P, Q, R and S with different features.Small balloon Features Volume: 800 m3 Type of balloon fabric:Synthetic nylon Hot air balloon Temperature of flame:P100 C Surner Large balloon Features Volume: 2500 m3 Type of balloon ...
相关知识点: 试题来源: 解析 1 Density of air in the balloon is lower2 Weight of balloon is lower // reduce mass // reduce weight3 Buoyant Force > weight4 Resultant Force // net force 反馈 收藏
For a first time hot air balloon construction project, don't underestimate your skills and expertise going into the build. You may have never built a balloon before, but by the time you get around to finally sewing the first real pieces of it, you will have considerably more skill at sewi...
air gun BBgun DictionaryofUnfamiliarWordsbyDiagramGroupCopyright©2008byDiagramVisualInformationLimited ThesaurusAntonymsRelatedWordsSynonymsLegend: Switchtonew thesaurus Noun1. airgun- agunthatpropelsaprojectilebycompressedair air rifle,airgun BB gun- anairguninwhichBBsarepropelledbycompressedair ...
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Relatively strong buoyancy force could be generated from the warmer ground surface. The unstable atmosphere is favorable for wind going over mountains, enhancing upslope flow [55]. On the other hand, the induced vertical rising air motion may suppress downslope flow. These two effects may reduce ...