physics

A construction worker riding in the tray of a truck traveling at 10 m/s, sees one of his friends passing and decides to jump off the truck. The magnitude of his
initial speed of jumping is:
(a) zero
(b) Less than the truck's
(c) Equal to that of the truck
(d) Greater than that of the truck

  1. 0
  2. 2
asked by johnny
  1. a. Zero.

    posted by Henry

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