Question: Two observers observe two different moving objects. However, they describe their motions mathematically with the same equation: x ( t ) = 10 km -

Two observers observe two different moving objects. However, they describe their motions mathematically with the same equation: x ( t ) = 10 km - (4 km>h) t .

(a) Write two short stories about these two motions. Specify where each observer is and what she is doing. What is happening to the moving object at t = 0?

(b) Use significant digits to determine the interval within which the initial position is known.

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