APFIVE Velocity With Resistive Force
A small sphere of mass m is dropped in a viscous fluid where it experiences a resistive force proportional to its velocity (F = -bv). Which expression correctly describes the sphere’s velocity as a function of time?
A
v(t) = (mg/b)(e^(bt/m)-1)
B
v(t) = (mg/b)e^(-bt/m)
C
v(t) = (mg/b)(1-e^(-bt/m))
D
v(t) = (mg/b)(1-e^(-b/mt))
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | 20.ali.abdelaal.09 | 1 | 2 | 0m 42s | 48 |
| #2 | khanhnguyen.thor | 0 | 1 | 2m 21s | -151 |
| #3 | Pelisx | 0 | 1 | 3m 28s | -218 |
| #4 | an19stasia12 | 2 | 2 | 25m 04s | -1,304 |
| #5 | srinikasriyamathur | 2 | 2 | 2h 57m | -10,430 |
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