Question

the velocity time graph is a straight line making an angle 30° with the time axis. what is its acceleration

Answer 1

Answer: only when the velocity is constant

Explanation:

Answer 2

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Velocity- time graph of two objects make angle 30 degree as well as 60 degree with the time Axis,

then the ratio of their acceleration will be,

Acceleration = Slope of velocity time graph with time at x-axis,

Slope = Tanx and the Ratio of their acceleration = Tan30 : Tan60 = 1/sqrt(3) : sqrt(3) = 1 : 3