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Question: a kickingsimulation attachment goes on the front of a wheelchair...

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A kicking-simulation attachment goes on the front of a wheelchair, allowing athletes with mobility impairments to play soccer. The athletes load up the spring shown through a ratchet mechanism that pulls the 2.75-kg foot back to the position 1. They then release the “foot to impact the 0.45-kg soccer ball that is rolling towards the foot with a speed of 7 m/s at an angle θ = 30° as shown. The impact occurs with a coefficient of restitution e= 0.75 when the foot is at position 2, where the spring is unstretched. The effective friction coefficient during rolling isek:01 k400 min 300 mm 300 mm value: 5.00 points Determine the direction the ball will travel after it is kicked. (Round the final answer to two decimal places.) The direction the ball will travel after it is kicked is α 749。 value: · 5.00 points Required information Determine the necessary spring coefficient to make the ball roll 30 meters. (Round the final answer to two decimal places.) The necessary spring coefficient is k 576.96 N/m.

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