Multiple Choice
The x and y positions (in meters) of a particle are given by: x(t) = 253 t,and y(t) = -12.0 t2 + 155 t + 100.The speed of the particle at t = 12.9 s is
A) 0 m/s.
B) 98.4 m/s.
C) 296 m/s.
D) 408 m/s.
E) 529 m/s.
Correct Answer:

Verified
Correct Answer:
Verified
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