help please ery is walking along the edge of a platform while a train approaches

Question

help please

ery is walking along the edge of a platform while a train approaches from the West. The following expressions give the velocities of Avery and the train relative to the platform. The positive direction is to the East. vAP= - (l.61 m/s) + (o.19 m/s2)t vTP=(11.4 m/s) - (2.63 m/s2)t+ 1/2 (o.27 m/s3)t2 Bodhi and Didier are walking in the aisles of the train cars. The following expressions give their velocities relative to the train. Positive components point to the front of the train. vBT = (1.11 m/s) - (o.13 m/s2)t vDT = - (l.31 m/s) + (o.15 m/s2)t

Explanation / Answer

starting from most positve acceleration

1) avery / bodhi

2) avery / didier

3) didier / bodhi

4) bodhi / didier

5) didier / avery

6) bodhi / avery

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