Calculate average speed of a train:
What is the average speed of a train which completes a 450-mile trip in 5 hours?
Solution:
Using Equation 15:
V_{av} = s/t
V_{av }= 450 miles/5 hours
V_{av} = 90 miles/hour
Algebraic word problems included motions are solved using the common relationship among distance, time, and average velocity subsequent the similar five primary steps for solving any algebraic word problem.