Maria Throws Two Stones from the Top Edge of a Building

question 3

Multiple Choice

Maria throws two stones from the top edge of a building with a speed of 18 m/s.She throws one straight down and the other straight up.The first one hits the street in a time t₁.How much later is it before the second stone hits?

• A) 5 s
• B) 4 s
• C) 3 s
• D) ​6 s
• E) ​Not enough information is given to work this problem.

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