Police 2A - Connecting the Police/Speeder Motion to a Graph - Capture Off Screen!

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Description : We return to the Speeder and Police Officer - but this time the "capture" won't occur while we watch .. "off screen"!


A) How fast is the speeder going?
B) How long does the Police Officer wait until he starts moving? (Assume he starts his stopwatch when the backs of the cars line up.)
C) How many seconds (from when the police car starts) will elapse before the Police Car catches the Speeder?
D) What is the acceleration of the Police Car (assuming it is constant)?


A) Vtruck = 3 m/sec.
B) The Police officer pauses for 2 seconds before accelerating.
C) The Police Officer will catch the Speeder in just less than 2.7 seconds.
D) The Police Officer has a constant acceleration of 2 m/sec2.

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