Engineering Board Exam Reviewer · Physics · medium
A ball is thrown vertically upward with a velocity of 30 m/s. How long is it in the air before returning to the thrower's hand? (g = 9.81 m/s2)
- 3.06 s
- 12.23 s
- 6.12 s
- 1.53 s
Answer
C. 6.12 s
Solution
Time up = v0/g = 3.058 s; total time = 2v0/g = 6.12 s.
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