The velocity of an object as a function of time is given by V(t) = 3at2 - 2bt + C where  a = 3.6m/s3 , b = 4.0m/s2 , c = 60 m/s The initial position of the object at   t = 0.00 is 7.00 m. (a) Find the position of the object as a function of time. (b) Find the acceleration of the object as a function of time. c) Find the position, velocity and acceleration of the object at t = 2.0 s.

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A: Hi, As per guidelines, the first three sub-parts have been answered.

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.