Question

The velocity - time graph of a body is given in figure. The maximum acceleration in $m/s^2$ is

• A. 4
• B. 3
• C. 2
• D. 1

Answer 1

Answer: (C)

2

Answer is A.
Maximum acceleration means maximum slope in speed time graph.
That slope is for line between 30 to 40 seconds.
Therefore, Maximum acceleration = Slope of that line = $\frac{60-20m/s}{40-30s}=\frac{40}{10}=4m/s^2$.

Hence, the maximum acceleration in $m/s^2=4m/s^2$.