A soccer ball is kicked with a speed of 8.50 m/s at an angle of 28.0° above the horizontal. if the ball lands at the same level from which it was kicked, how long was it in the air? (neglect air resistance.)

Question

Joselyn Ward

Mathematics

2 December, 13:34

A soccer ball is kicked with a speed of 8.50 m/s at an angle of 28.0° above the horizontal. if the ball lands at the same level from which it was kicked, how long was it in the air? (neglect air resistance.)

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Joslyn Hughes · Answer 1

Upward velocity at launch = 8.50*sin280

8.50*0.4694

=3.989

Time taken to reach maximum height=v/g

=3.9899/9.8

Same speed to needed to come down,

So, time in air = 3.9899/4.9

=0.81 sec