Biology

Biology, 09.07.2019 06:40, embersongracie

The clavicle can break when catching a fall with outstretched hands. describe how the impact

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Health, 13.07.2019 18:50, ayoismeisalex

Since a colles' fracture can occur when a falling person attempts to break the fall with outstretched hands, an x ray will typically show that, at the site of the fracture, the hand is displaced in a direction.

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Physics, 18.11.2019 23:31, lightning1157blaze

On average, both arms and hands together account for 13% of a person’s mass, while the head is 7.0% and the trunk and legs account for 80%. we can model a spinning skater with his arms outstretched as a vertical cylinder (head + trunk + legs) with two solid uniform rods (arms + hands) extended horizontally. suppose a 61.0-kg skater is 1.80 m tall, has arms that are each 70.0 cm long (including the hands), and a trunk that can be modeled as being 35.0 cm in diameter. the skater is initially spinning at 70.0 rpm with his arms outstretched.what will his angular velocity be (in rpm) when he pulls in his arms until they are at his sides parallel to his trunk?

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Physics, 19.11.2019 01:31, nestergurl101

Your friend is catching a falling basketball after it has passed through the basket. her hands move straight down while catching the ball. it takes about 0.10 s for the player to lower her hands to stop the ball. assume the mass of the ball is 0.60 kg , and that the ball has fallen a vertical distance of 1.2 m before reaching the player's hand.

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Physics, 19.11.2019 20:31, bobiscool3698

The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center. when the skater's hands and arms are brought in and wrapped around his body to execute the spin, the hands and arms can be considered a thin-walled hollow cylinder. his hands and arms have a combined mass of 8.00kg . when outstretched, they span 1.80m ; when wrapped, they form a cylinder of radius 25.0 cm. the moment of inertia about the axis of rotation of the remainder of his body is constant and equal to 0.350kg*m2. if the skater's original angular speed is 0.450rev/s , what is his final angular speed?

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