Question
Question: A student draws velocity-time curve for the motion of a particle moving along a straight line in fou...
A student draws velocity-time curve for the motion of a particle moving along a straight line in four different situations as shown in the figures. Out of these, which situation/situations can not physically occur
A
Only situation I.
B
Situation III and IV
C
Situation II and IV
D
Situation I and IV
Answer
Situation I and IV
Explanation
Solution
In land IV, at the starting and at the end of the motion, acceleration dv/dt is infinite. It is not practically possible to produce infinitely large accelerations.