At zero acceleration a particle moves along a straight line. What is t – McqOptions

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1.	At zero acceleration a particle moves along a straight line. What is the velocity of a particle at the position of x = t -20t + 42 ?
A.	+ 48.68 m/sec
B.	- 48.68 m/sec
C.	+ 42 m/sec
D.	- 42 m/sec
Answer» C. + 42 m/sec

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