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Chemistry, 29.01.2020 01:05 puppylover72

Arunner starts at point a, runs around a 1-mile track and finishes the run back at point a. which of the following statements is true?

a. the runner's displacement is 1 mile.
b. the runner's displacement is zero.
c. the distance the runner covered is zero.
d. the runner's speed was zero.

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