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A girl kicks a blue ball with a velocity of 20.0 m/s at 65.0o. How long is it in the air? 1.85s 1.92s 13.6s 3.69s
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37 votes
37 votes
A girl kicks a blue ball with a velocity of 20.0 m/s at 65.0o. How long is it in the air?

1.85s

1.92s

13.6s

3.69s

User Kalpesh Singh
by
3.2k points

1 Answer

23 votes
23 votes

Step-by-step explanation:

t = usin©/g

Where t is the time to reach the maximum height

Time spent in air is T = 2t

Hence, T = 2usin©/g

T = 2 x 20 x sin 65°/ 9.8

T = 3.69s

User Javid Ahadov
by
2.8k points
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