SOLUTION: A race car traveling northward on a straight, level track at a constant speed travels 205 m in 2.75 seconds. The return trip over the same track is made in 3.25 seconds. A.

Algebra ->  Test -> SOLUTION: A race car traveling northward on a straight, level track at a constant speed travels 205 m in 2.75 seconds. The return trip over the same track is made in 3.25 seconds. A.       Log On


   

Question 1094040: A race car traveling northward on a straight, level track at a constant speed travels 205 m in 2.75 seconds. The return trip over the same track is made in 3.25 seconds.
A. What is the average speed of the car in m/s for the first half of the trip?
B. What is the average speed of the car over the entire trip?
C. What is the total displacement of the car at letter A? Letter B?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(A)
+205%2F2.75+=+74.545+ m/s
(B)
+%28+2%2A205+%29+%2F+%28+2.75+%2B+3.25+%29+
+410+%2F+6+=+68.333+ m/s
(C)
For (A), displacement = +205+ m
For (B), displacement = +0+ m