An Object Is Dropped from a Bridge

question 35

Multiple Choice

An object is dropped from a bridge. A second object is thrown downwards 1.0 s later. They both reach the water 20 m below at the same instant. What was the initial speed of the second object?
Neglect air resistance.

• A) 9.9 m/s
• B) 4.9 m/s
• C) 20 m/s
• D) 21 m/s
• E) 15 m/s

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