Posted by sammy on Saturday, September 29, 2012 at 8:05pm.
At the Indianapolis 500 time trials, each car makes four consecutive laps, with its overall or average speed determining that carâ€™s place on race day. Each lap covers 2.5 (exact). During a practice run, cautiously and gradually taking his car faster and faster, a driver records the following average speeds for each successive lap: 200 , 210 , 220 , 230 .
His average speed will be
His average speed will be
exactly the average of these speeds (215 ).
greater than 215 .
less than 215 .

physics  Sarah, Wednesday, August 28, 2013 at 11:11pm
Less than 215
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