a) What is the velocity of the second runner relative to the first, in meters per second? b) How many seconds earlier will the second runner reach the finish line if the front runner is 250 m from the finish line in seconds? c) What distance ahead, in meters, will the second runner be when she crosses the finish line?
a) What is the velocity of the second runner relative to the first, in meters per second? b) How many seconds earlier will the second runner reach the finish line if the front runner is 250 m from the finish line in seconds? c) What distance ahead, in meters, will the second runner be when she crosses the finish line?
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Transcribed Image Text:Near the end of a marathon race,
the first two runners are
separated by a distance of 45.6 m.
The front runner has a velocity of
3.2 m/s, and the second a velocity
of 4.95 m/s.
a) What is the velocity of the
second runner relative to the first,
in meters per second?
b) How many seconds earlier will
the second runner reach the finish
line if the front runner is 250 m
from the finish line in seconds?
c) What distance ahead, in meters,
will the second runner be when
she crosses the finish line?
please answer all parts
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