Problem: An object rolls from the top of a hill (shown below) with 20 m/s and takes 4 s to hit the floor. (a) Find the object’s range. (b) How tall is the hill?

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An object rolls from the top of a hill (shown below) with 20 m/s and takes 4 s to hit the floor. 

(a) Find the object’s range. 

(b) How tall is the hill?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Projectile Motion: Horizontal Launch concept. You can view video lessons to learn Intro to Projectile Motion: Horizontal Launch. Or if you need more Intro to Projectile Motion: Horizontal Launch practice, you can also practice Intro to Projectile Motion: Horizontal Launch practice problems.