Predict/Calculate Suppose jogger 3 in Figure 11-51 has a mass of 62.2 kg and a speed of 5 85 m/s. (a) Is the magnitude of the jogger's angular momentum greater with respect to point A or point B? Explain. (b) Is the magnitude of the jogger’s angular momentum with respect to point B greater than less than, or the same as it is with respect to the origin, O ? Explain. (c) Calculate the magnitude of the jogger s angular momentum with respect to points A , B and O . Figure 11-51 Problems 46 and 47
Predict/Calculate Suppose jogger 3 in Figure 11-51 has a mass of 62.2 kg and a speed of 5 85 m/s. (a) Is the magnitude of the jogger's angular momentum greater with respect to point A or point B? Explain. (b) Is the magnitude of the jogger’s angular momentum with respect to point B greater than less than, or the same as it is with respect to the origin, O ? Explain. (c) Calculate the magnitude of the jogger s angular momentum with respect to points A , B and O . Figure 11-51 Problems 46 and 47
Predict/Calculate Suppose jogger 3 in Figure 11-51 has a mass of 62.2 kg and a speed of 5 85 m/s. (a) Is the magnitude of the jogger's angular momentum greater with respect to point A or point B? Explain. (b) Is the magnitude of the jogger’s angular momentum with respect to point B greater than less than, or the same as it is with respect to the origin, O? Explain. (c) Calculate the magnitude of the jogger s angular momentum with respect to points A, B and O.
Figure 11-51 Problems 46 and 47
Definition Definition Product of the moment of inertia and angular velocity of the rotating body: (L) = Iω Angular momentum is a vector quantity, and it has both magnitude and direction. The magnitude of angular momentum is represented by the length of the vector, and the direction is the same as the direction of angular velocity.
A player kicks a football at the start of the game. After a 4 second flight, the ball touches the ground 50 m from the kicking tee. Assume air resistance is negligible and the take-off and landing height are the same (i.e., time to peak = time to fall = ½ total flight time). (Note: For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.) Calculate and answer all parts. Only use equations PROVIDED:
A shot putter releases a shot at 13 m/s at an angle of 42 degrees to the horizontal and from a height of 1.83 m above the ground. (Note: For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.) Calculate and answer all parts. Only use equations PROVIDED:
If a person jumps upwards with a vertical velocity of 5 m/s, What is their velocity 0.5 second into the jump?
Human Biology: Concepts and Current Issues (8th Edition)
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