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

question 13

Multiple Choice

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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