A Track Star in the Broad Jump Goes into the Jump

question 27

Multiple Choice

A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20 $\degree$ above the horizontal.How long is he in the air before returning to Earth? (g = 9.8 m/s²)

• A)0.42 s
• B)0.84 s
• C)1.25 s
• D)1.68 s

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