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.