Between t = 0 and t= to, a rocket moves straight upward with an acceleration given by a(t) = A – Bt!12, where A and B are constants. (a) If x is in meters and tis in seconds, what are the units of A and B? (b) If the rocket starts from rest, how does the velocity vary between t= 0 and t= to? (c) If its initial position is zero, what is the rocket's position as a function of time %3D during this same time interval?

A car starts from 2.00 m/s and accelerates at 4.00 m/s2 for 6.0 s, it coasts for 5.00 s, and then slows down at a rate of 2.00 m/s2to a stop. How far has it traveled, in meters? Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.

A car takes 5.0 s to go from v=0 m/s to v=24 m/s at constant acceleration.  If you wish to find the disance traveled using the equation d=1/2at squared, what value should you use for a? Express your answer to two significant figures and includ the appropraite units.

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