为什么计算第一宇宙速度时重力等于万有引力,不应该是万有引力等于�心力和重力的合力吗? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseZinnia, Grog, Bonnet, Moose, Fencer, Candy corn, Baby, Potato bug, Cabin, Yarmulke, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #1474


anonymous
anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza


anonymous
anonymous
sketch #5088


anonymous
anonymous
sketch #5214 Crying with a Smile by Bill Kody


anonymous
anonymous
sketch #5306 Katarina by Mirnes Sinanovic


anonymous
anonymous
sketch #5224


anonymous
anonymous
sketch #3042 Tobi by Mirnes Sinanovic


anonymous
anonymous
sketch #1545


James Forest
sketch #2996 American Flag


anonymous
anonymous
sketch #5187


anonymous
anonymous
sketch #5137 Happy Halloween! by Guillaume Ballieu


anonymous
anonymous
sketch #1385 fingerschpitsengeful


anonymous
anonymous
sketch #2982 Lion by Ati Gohary


anonymous
anonymous
sketch #5161


anonymous
anonymous
sketch #5095 Lion by Frederic Knauer


Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul


anonymous
anonymous
sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi


anonymous
anonymous
sketch #5053


anonymous
anonymous
sketch #280


anonymous
anonymous
sketch #3165


Rachel Roe
sketch #672 Snails pace


anonymous
anonymous
sketch #3779 RIP Hugo Chavez Joey Hyuuga


anonymous
anonymous
sketch #3344 Homer by Samuel Roberto


anonymous
anonymous
sketch #2035 Ernest Hemingway... chayrolfrypan


Carly Kelly
sketch #120 a pretty flower


anonymous
anonymous
sketch #3760 PSY by Juvenilia Alexandrino

tomski为什么计算第一宇宙速度时重力等于万有引力,不应该是万有引力等于�心力和重力的合力吗? 知乎 coloring