Multiple Choice
A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20° 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) 1.68 s
D) 2.3 s
E) 0.89 s
Correct Answer:
Verified
Correct Answer:
Verified
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