A Jumper in the Long-Jump Goes into the Jump with a Speed

question 9

Multiple Choice

A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20° above the horizontal. How long is the jumper in the air before returning to the Earth?

• A) 0.21 s
• B) 0.42 s
• C) 0.84 s
• D) 1.3 s
• E) 1.6 s