A car travels in a straight line. Its position is given by x = 3t² + 2t + 7, where x is in meters and t is in seconds. (a) Find the expression for the instantaneous velocity. (b) Calculate the average velocity between t = 1.0 s and t = 3.0 s.
University of Ilorin PHY101 2026-exam past question
- (a) v = 6t + 2; (b) 14 m/s
- (a) v = 6t + 2; (b) 20 m/s
- (a) v = 3t + 2; (b) 14 m/s
- (a) v = 6t² + 2; (b) 28 m/s
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