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7. A baserunner has a mass of 72 kg and is trying to steal 2nd base off in a baseball game. The baserunner has a velocity of 7.4 m/s. What is his linear momentum? Usain Rolt hog o mog

7. A baserunner has a mass of 72 kg and is trying to steal 2nd base off in a baseball game. The baserunner has a velocity of 7.4 m/s. What is his linear momentum? Usain Rolt hog o mog

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Definitions and Equations: Moment of Inertia (): Tendency to resist angular acceleration; the angular equivalent of mass. In practical terms it is a measure of how hard it is to rotate an object or segment, like a baseball bat or a body segment. It is the sum of the products of the mass (m) with the square of its distance from the axis of rotation (k2). I=mk2 Linear Momentum (L): L=mv (kg*m/s) Converting weight to mass • 1 lb. = 4.45 N To convert a weight in Newton's into a mass in kg, divide the weight in Newton's by the acceleration due to gravity (-9.81 m/s²) If a person has a weight of -900 N (202.25 lbs.), you would calculate their mass by dividing -900 N by -9.81 m/s2, m -900 N/-9.81 m/s2 = 91.74 kg Grams to Kilograms 1000 g=1 kg Table 1: Segment Length, Mass and Center of Mass Locations for Woman and Men Segment Length (cm) Mass (%) COM Location (%) W M W M W M Upper Arm 27.51 28.17 2.55 2.71 57.54 57.72 Forearm 26.43 26.89 1.38 1.62 45.59 45.74 Hand 7.80 8.62 0.56 0.61 74.74 79.00 Thigh 36.85 42.22 14.78 14.16 36.12 40.95 Shank 43.23 43.40 4.81 4.33 44.16 44.59 Foot 22.83 25.81 1.29 1.37 40.14 44.15 Moment of Inertia: Examnle
Transcribed Image Text:Definitions and Equations: Moment of Inertia (): Tendency to resist angular acceleration; the angular equivalent of mass. In practical terms it is a measure of how hard it is to rotate an object or segment, like a baseball bat or a body segment. It is the sum of the products of the mass (m) with the square of its distance from the axis of rotation (k2). I=mk2 Linear Momentum (L): L=mv (kg*m/s) Converting weight to mass • 1 lb. = 4.45 N To convert a weight in Newton's into a mass in kg, divide the weight in Newton's by the acceleration due to gravity (-9.81 m/s²) If a person has a weight of -900 N (202.25 lbs.), you would calculate their mass by dividing -900 N by -9.81 m/s2, m -900 N/-9.81 m/s2 = 91.74 kg Grams to Kilograms 1000 g=1 kg Table 1: Segment Length, Mass and Center of Mass Locations for Woman and Men Segment Length (cm) Mass (%) COM Location (%) W M W M W M Upper Arm 27.51 28.17 2.55 2.71 57.54 57.72 Forearm 26.43 26.89 1.38 1.62 45.59 45.74 Hand 7.80 8.62 0.56 0.61 74.74 79.00 Thigh 36.85 42.22 14.78 14.16 36.12 40.95 Shank 43.23 43.40 4.81 4.33 44.16 44.59 Foot 22.83 25.81 1.29 1.37 40.14 44.15 Moment of Inertia: Examnle
nsert Chart Text Shape Media Comment 7. A baserunner has a mass of 72 kg and is trying to steal 2nd base off in a baseball game. The baserunner has a velocity of 7.4 m/s. What is his linear momentum? 8. Usain Bolt has a mass of 92 kg and a velocity of 10.43 m/s, based on his 9.58 m/s world record in his 100 m dash. What is his linear momentum? 9. If Connor McGregor, Tim Tebow and a Cheetah were all in a 200 m running race, who would have the greatest momentum? Connor McGregor weighs 154 lbs and finished the race in 30 seconds. Tim Tebow weighs 255 lbs and finished the race in 24 seconds. The
Transcribed Image Text:nsert Chart Text Shape Media Comment 7. A baserunner has a mass of 72 kg and is trying to steal 2nd base off in a baseball game. The baserunner has a velocity of 7.4 m/s. What is his linear momentum? 8. Usain Bolt has a mass of 92 kg and a velocity of 10.43 m/s, based on his 9.58 m/s world record in his 100 m dash. What is his linear momentum? 9. If Connor McGregor, Tim Tebow and a Cheetah were all in a 200 m running race, who would have the greatest momentum? Connor McGregor weighs 154 lbs and finished the race in 30 seconds. Tim Tebow weighs 255 lbs and finished the race in 24 seconds. The
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