Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · edit-217 days agoDon't know if putting this right. But how much forcer is needed to break gravity? Like how much does the space shuttle require to get past earth gravity and use the moons gravity to get further??message-squaremessage-square14fedilinkarrow-up136arrow-down15file-text
arrow-up131arrow-down1message-squareDon't know if putting this right. But how much forcer is needed to break gravity? Like how much does the space shuttle require to get past earth gravity and use the moons gravity to get further??Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · edit-217 days agomessage-square14fedilinkfile-text
minus-squareDon_Dickle@lemmy.worldOPlinkfedilinkEnglisharrow-up1·16 days agoAnother question. You always hear and see jets break the sound barrier but when they put their “boost” is there a point where they can’t break the speed barrier traveling upwards? Or can you only break sound barrier within the confines of the earth.
minus-squareBlue_Morpho@lemmy.worldlinkfedilinkEnglisharrow-up1·16 days agoSpeed of sound changes with altitude https://en.wikipedia.org/wiki/Speed_of_sound
Another question. You always hear and see jets break the sound barrier but when they put their “boost” is there a point where they can’t break the speed barrier traveling upwards? Or can you only break sound barrier within the confines of the earth.
Speed of sound changes with altitude
https://en.wikipedia.org/wiki/Speed_of_sound