APFIVE Kinematics from a Position Function
The position of a particle moving along the x-axis is given by x(t) = 3t² - 4t + 2, where x is in meters and t is in seconds. Which of the following statements is true about the particle at t = 2 s?
A
Position is negative, velocity is positive, acceleration is positive
B
Position is positive, velocity is positive, acceleration is positive
C
Position is positive, velocity is negative, acceleration is positive
D
Position is positive, velocity is positive, acceleration is negative
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | querrihan27 | 2 | 2 | 0m 00s | 200 |
| #2 | kabraprachi23 | 1 | 1 | 0m 00s | 100 |
| #3 | dinhhoa | 1 | 1 | 0m 00s | 100 |
| #4 | maymonahassan25 | 1 | 1 | 0m 28s | 72 |
| #5 | kcharanreddy07 | 1 | 1 | 0m 45s | 55 |
| #6 | an19stasia12 | 1 | 1 | 1m 05s | 35 |
| #7 | hshawi165 | 1 | 1 | 1m 17s | 23 |
| #8 | karpuzarya | 1 | 1 | 1m 43s | -3 |
| #9 | fsfa.alsharif | 1 | 1 | 1m 44s | -4 |
| #10 | songqiuhui2012 | 1 | 1 | 1m 46s | -6 |
Items per page:
10
1 – 10 of 15