Question

The physics and the engineering science students in AIT are going on a field

trip as part of the semester requirement. The bus in which they are travelling

has an initial velocity of 45km/h and is accelerated uniformly at 2m/s2 until its

velocity is 72km/h after which is brought to a rest with a uniform retardation, if

the total remaining time is 12 seconds; sketch the velocity-time graph.

Answer 1

Summary:

For plotting Velocity v/s Time Graph First I calculated Time taken for Acceleration after that calculated deacceleration as it will be slope of Velocity v/s Time Graph. Then Named the Co-ordinates of Graph and Drawn the Velocity V/s time Graph. In Graph First till time,t=3.75 the slope is positive as Bus Accelerates till that time after That slope of graph is Negative as Bus deaccelerates till Time,t=15.75. And The Value of Slope When Bus Accelerates is 2 and Value of slope when bus Deaccelerates is -6.