Question

歐陽橘子

求藍色框裡的中文翻譯
（大一物理）

ioOn  6.4  By

to 選dua3t

競

 

革 表/交

財    6.6 re
Because the results for both sides                                    還

ofEquation 6.4 are the same,
TCSents a solution to Equation 6.4

[及 Sphere Falling in 0i

              

Asmajj sphere ofmass 2.00 gisreleased from restina large vessel filled with oil, where it experiencesa eslstlve force pro-

Portional to its speed. The sphere reaches a terminal speed of 5.00 cm/s. Determine the time constantYand the tume 3
which the sphere reaches 90.0% ofits terminal speed-

With the help of Figure 6.12, imagine dropping the sphere into the oil and watehing it Sink to the bottom' Q!
ssel. 手you have some thick shampooinaclear container, dropamarble in itand observe the motion of the marble

We model the sphere as a oz 7222er 2 Ace with one ofthe forces bein

garesistive force that depends on ihe
lere. This model leads to the resultin Equation 6.5.

Answer 1

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Sunnyday

一顆質量2公克的小球，放到充滿油的管內，由靜止狀態釋放，已知阻力和速度成正比，且終端速度為5 cm/s，試問時間常數τ為多少，以及當速度達0.9倍終端速度的時間點為多少

（用積分去解，要了解終端速度的意思和τ的定義）