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Question
The position of the center of mass of a system of particles moves as x= 4.5 t+ 2.4 t2+ 1.1t3, where xis in meters. If the system starts from rest at t = 0, what is its velocity at t= 3.0 s?A) 8.0 m/s
B) 21 m/s
C) 49 m/s
D) 64 m/s
E) 65 m/s
Answer
This answer is hidden. It contains 1 characters.
Related questions
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