A cyclist maintains a constant velocity of 5 m/s headed away from point A. At some
initial time, the cyclist is 248 m from point A.
What will be his displacement from his
starting position after 49 s?
Answer in units of m.

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve