Question

A particle moves along the x axis according to the equation x = 6t2, where x is in meters and
t is in seconds. Therefore:
A. the acceleration of the particle is 6 m/s2
B. t cannot be negative
C. the particle follows a parabolic path
D. each second the velocity of the particle changes by 9.8 m/s
E. none of the above

PLZZ ANYONE CAN EXPLAIN

Answer 1

Hello @aghast !

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Answer 2

accelaration of the particle will be 12 m/s^2

Answer 3

I think t cannot be negative will be the answer, since t cannot be negative unless untill stated in relative

Answer 4

since it is given x-6t2,it gives the displacement.Acceleration is the 2nd order derivative of distance.
\[d ^{2}y/ dt ^{2} (6t ^{2})=12\]