A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45$\degree$. With what speed was it thrown?
A) 14 m/s
B) 20 m/s
C) 28 m/s
D) 32 m/s
E) 40 m/s

Name: A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45$\degree$. With what speed was it thrown? A) 14 m/s B) 20 m/s C) 28 m/s D) 32 m/s E) 40 m/s
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Question

A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45$\degree$. With what speed was it thrown? 
A) 14 m/s 
B) 20 m/s 
C) 28 m/s 
D) 32 m/s 
E) 40 m/s

Quizplus · Accepted Answer

The Answer is B

A Ball Is Thrown Horizontally from the Top of a 20-M