Question

Which of the following is the correct formula for velocity?

Answer 1

Answer: change or displacement over time and how long it takes which is speed

Explanation: Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.

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Answer 2

u = s t − 1 2at u = s t − 1 2 a t. Where, Initial velocity = u, Final Velocity = v, time taken = t, distance travelled or displacement = s, acceleration = a. (4) If final velocity, distance and time are provided then initial velocity is. u = 2(s t)−v u = 2 ( s t) − v.

Step-by-step explanation: