G
Mm |
r2 |
4π2 |
T2 |
v2 |
r |
則得;T=2π
|
|
|
GM |
r2 |
A、由上式得知,線(xiàn)速度越大,對(duì)應(yīng)的軌道半徑越小,周期越?。蔄正確.
B、角速度越小,對(duì)應(yīng)的軌道半徑越大,周期越大.故B正確.
C、線(xiàn)速度越大,對(duì)應(yīng)的軌道半徑越小,周期越小.故C錯(cuò)誤.
D、加速度越大,對(duì)應(yīng)的軌道半徑越小,周期越小.故D錯(cuò)誤.
故選AB
Mm |
r2 |
4π2 |
T2 |
v2 |
r |
|
|
|
GM |
r2 |