Physics
Mechanics
A particle moves x axis according to the equation x

A particle moves x axis according to the equation x

A particle moves along the x axis according to the equation x = 2.00 + 3.00t - 1.00t 2, where x is in meters and t is in seconds. At t = 3.00 s, find
(a) The position of the particle,
(b) Its velocity, and
(c) Its acceleration.

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How many integer solutions are there to the equation
x1 + x2 + 2x3 + x4 + x5 = 72
when
(a) xi 0,i = 1,...,5
(b) xi 1,i = 1,...,5

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