Q A car travels at a constant speed of 15m/s for 25 seconds. itthen speed up wit

Question

Q A car travels at a constant speed of 15m/s for 25 seconds. itthen speed up with a constant acceleration of 3.5 m/s2 for 15seconds. at the end of this time, what is the cars velocity.?    NOTE.         This questionmay invlove vector quantity.          I would liketo have step by step method to the final answer Q A car travels at a constant speed of 15m/s for 25 seconds. itthen speed up with a constant acceleration of 3.5 m/s2 for 15seconds. at the end of this time, what is the cars velocity.?    NOTE.         This questionmay invlove vector quantity.          I would liketo have step by step method to the final answer

Explanation / Answer

From kinematics equations the initial velocity v0 = 15 acceleration a = 3.5 m/s2 time t = 15s    v = v0 + at = 15 + 3.5 *15 = 67.5 m/s

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