Jumps at 8 m/s at a 30 degree angle above the horizontal. how long was she in the air?

Question

Physics

Aleah

22 November, 03:50

Jumps at 8 m/s at a 30 degree angle above the horizontal. how long was she in the air?

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Answers (1)

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Corinne Avery · Answer 1

Vo = 8 m/s. g = 10 m/s^2

alpha = 30 degree

ask: x?

x = vo^2 sin ^2 alpha / g

x = 8 ^2 x 2 sin 30 cos 30 / 10

x = (64 x2x 1/2x1/2√3) / 10

x = 3.2 √3 metres

√3 = 1.73