**A football is thrown upward at a(n) 21◦ angle to the horizontal.**

**The acceleration of gravity is 9.8 m/s2 .**

**To throw a(n) 52.8 m pass, what must be the initial speed of the ball?**

**Answer in units of m/s.**

**Answer:**

**A football is thrown upward at a(n) 21◦ angle to the horizontal.**

**The acceleration of gravity is 9.8 m/s2 .**

**To throw a(n) 52.8 m pass, what must be the initial speed of the ball?**

**Answer in units of m/s.**

**Answer:**