a) d = 60(25.7*8.82+29.6*4.09+7.14*4.09)
b) speed = d/[ 60(25.7+29.67.14) ]
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 25.7 minutes at an average speed of 8.82 m/s. During the second part, she rides for 29.6 minutes at an average speed of 4.09 m/s. Finally, during the third part, she rides for 7.14 minutes at an average speed of 16.6 m/s. (a) How far has the bicyclist traveled during the entire trip? (b) What is the average speed of the bicyclist for the trip?
1 answer