(Solution) 1A)Recent Studies Have Raised Concern About 'heading' In Youth Soccer (i., Hitting The Ball With The Head). A Soccer Player 'heads' A Size 5 Ball,... | Snapessays.com


(Solution) 1A)Recent studies have raised concern about 'heading' in youth soccer (i., hitting the ball with the head). A soccer player 'heads' a size 5 ball,...


1A)Recent studies have raised concern about 'heading' in youth soccer (i.e., hitting the ball with the head). A soccer player 'heads' a size 5 ball, deflecting it by 58.0 degrees (a deflection of zero degrees means the ball's trajectory is not changed), but keeping its speed of 10.10 m/s constant. A size 5 ball has a mass of approximately 0.401 kg. What is the magnitude of the impulse which the player imparts to the ball?

 

1B)If the player's head has a mass of 5.30 kg, what is the magnitude of the average acceleration of the player's head during the impact? Assume that over the brief time of the impact, 28.80 ms, the player's head can be treated separately from the player's body.

 

2A) During a violent thunderstorm, hail the size of marbles (diameter = 1.50 cm) falls at a speed of 15.0 m/s. There are estimated to be 205.0 hailstones per cubic meter of air. Assume that, as for ice, 1.00 cm3 of hail has a mass of 0.920 g. What is the mass of each hailstone?

 

2B) What is the magnitude of the force exerted by the hail on a 8.0 m x 12.0 m flat roof during the storm ? Ignore the bounce of the hail on impact.

 


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This question was answered on: May 23, 2022

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