A soccer ball is kicked from the ground with an initial speed of 19.8 m/s at an upward angle of 49.0. A player 52.5 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before it hits the ground? Neglect air resistance.Use g-9.81 m/s².

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Chapter1: Units, Trigonometry. And Vectors
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A soccer ball is kicked from the ground with an initial speed of 19.8 m/s at an upward angle of 49.0. A player 52.5 m away in the
direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before
it hits the ground? Neglect air resistance.Use g-9.81 m/s².
Transcribed Image Text:A soccer ball is kicked from the ground with an initial speed of 19.8 m/s at an upward angle of 49.0. A player 52.5 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before it hits the ground? Neglect air resistance.Use g-9.81 m/s².
Expert Solution
Step 1: introduction of given data

here 

projection speed = u = 19.8 m/s

angle of projection = θ = 49.0o 

Player distance from the point of projection of ball = d = 52.5 m 

acceleration due to gravity = g = 9.81 m/s2 

we have to calculate average speed of the player to meet the ball before hits the ground.

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