The amount of stress being placed at the end of the bone
1. A 27lb force is acting on the end of a bone with a diameter of 0.85 inches. Calculate the amount of stress being placed at the end of the bone.
2. A ligament, with an original length of 7.25 inches, has been stretched using 4.2lbs of force. Its stretched length is now 8.15 inches. What is the percent of strain the ligament experienced?
3. A track athlete runs a 1600 meter race in 4 minutes and 21 seconds. What is his speed?
4. Neville Pinto takes off walking from his office to Chipotle which is 0.6 miles to the NE. He stops along the way to talk to some students so it takes him 17 minutes to get there. He finishes eating and comes back on the same path taking the same amount of time. What is his velocity leaving Chipotle and returning to his office? Report your answer to two decimal places.
5. A Bengals receiver running at 15.5 m/s stops to catch a pass after running for 4.4 seconds. What was his acceleration during that time?
6. The height of the bleachers in Nippert Stadium is 168 feet while the bleachers are 92 feet deep. What is the angle of the slope of the bleachers in degrees? In radians?
7. You’re holding your arm out to your side. From your shoulder joint the distance to your elbow is 14 inches when your arm is abducted 5 inches from your side. What is the total length of your arm if the distance from your side to your fingertips is 11 inches
8. What is the moment of inertia for the whole leg given the following:
Upper leg mass =6.3 lbs, length = 22 inches
Lower leg mass=4.7 lbs, length = 18 inches
Foot mass = 0.8 lbs, length = 11 inches
Assume the COM (center of mass) for each segment is located at 50% the length of each segment.