Don_Dickle@lemmy.worldM to Ask Science@lemmy.worldEnglish · edit-25 months 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-square10linkfedilinkarrow-up121arrow-down12file-text
arrow-up119arrow-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.worldM to Ask Science@lemmy.worldEnglish · edit-25 months agomessage-square10linkfedilinkfile-text
minus-squareooterness@lemmy.worldlinkfedilinkEnglisharrow-up13·5 months agoThe escape velocity for the Earth is 11.2 km/s. If you shoot a cannonball upward at that speed, it’ll have enough energy to completely leave Earth and never come back.
minus-squareKairuByte@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up1·5 months agoWould shooting it at that speed work? Wouldn’t it need to maintain that speed?
The escape velocity for the Earth is 11.2 km/s. If you shoot a cannonball upward at that speed, it’ll have enough energy to completely leave Earth and never come back.
Would shooting it at that speed work? Wouldn’t it need to maintain that speed?