Problem 1: The position of an object is given by x = at3 - bt2 + ct, where a = 4.1 m/s3, b = 2.2 m/s2, c = 1.7 m/s, and x and t are in SI units. What is the instantaneous acceleration of the object when t = 2.3s?
- 62.6 m/s2
- 41.7 m/s2
- 52.2 m/s2
- 73.1 m/s2