2010
Physics
67e856d33cf20db308447ec1
For a particle having an x co-ordinate that varies in time according to the express ion x = 4t -2t2 The instantaneous velocity for of the particle at t = 2.5s is:
A.
12m/s
B.
6m/s
C.
0m/s
D.
10m/s
Correct Answer: 6m/s
Explanation
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