### Home > CALC > Chapter 9 > Lesson 9.1.1 > Problem 9-13

9-13.

**Multiple Choice:**Assume that the acceleration due to gravity in the absence of friction is*a*(*t*) = −10 meters/sec^{2}. If a ball is thrown straight up from a height of 5 meters with an initial velocity of 20 m/sec, then its height after 2 seconds is: Homework Help ✎5 m

10 m

15 m

10 m

25 m

Evaluate *h*(2).