Question 1 (20 points)
Question 1 Unsaved
A roller coaster starts down a hill at 10 m/s. Three seconds later, its speed is 32 m/s. What is the roller coaster’s acceleration?
-7.3 m/s2
7.3 m/s
-7.3 m/s
7.3 m/s 2
Question 1 Unsaved
A roller coaster starts down a hill at 10 m/s. Three seconds later, its speed is 32 m/s. What is the roller coaster’s acceleration?
-7.3 m/s2
7.3 m/s
-7.3 m/s
7.3 m/s 2