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A 47.8-g golf ball is driven from the tee with an initial speed of 41.4 m/s and rises to a height of 33.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.63 m below its highest point?

A 47.8-g golf ball is driven from the tee with an initial speed of 41.4 m/s and rises to a height of 33.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.63 m below its highest point?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 47.8-g golf ball is driven from the tee with an initial speed of 41.4 m/s and rises to a height of 33.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.63 m below its highest point?

 

The image illustrates a simplified depiction of projectile motion in a golfing context. It features a golfer striking a ball, which follows a curved, parabolic trajectory. The motion begins at an initial velocity, denoted as \( v_0 \), which is represented by a red arrow pointing upwards and at an angle, indicating the initial direction and magnitude of the ball's velocity. The path of the ball is shown as a dashed curve, illustrating its ascent, peak, and descent back to the ground. This trajectory exemplifies the physics of projectile motion, where the ball is influenced by gravity and moves in both horizontal and vertical directions. Key elements to note: - **Initial Velocity (\( v_0 \))**: This is the initial speed and direction at which the ball is hit by the golfer. - **Trajectory Path**: The dashed line represents the ball's flight path, demonstrating the characteristic arc shape of projectile motion. - **Launch Angle**: The angle at which the ball is struck relative to the ground impacts the distance and height of the trajectory. This visual serves as a practical example of physics concepts such as kinematics and dynamics, applied to a real-world scenario.
Transcribed Image Text:The image illustrates a simplified depiction of projectile motion in a golfing context. It features a golfer striking a ball, which follows a curved, parabolic trajectory. The motion begins at an initial velocity, denoted as \( v_0 \), which is represented by a red arrow pointing upwards and at an angle, indicating the initial direction and magnitude of the ball's velocity. The path of the ball is shown as a dashed curve, illustrating its ascent, peak, and descent back to the ground. This trajectory exemplifies the physics of projectile motion, where the ball is influenced by gravity and moves in both horizontal and vertical directions. Key elements to note: - **Initial Velocity (\( v_0 \))**: This is the initial speed and direction at which the ball is hit by the golfer. - **Trajectory Path**: The dashed line represents the ball's flight path, demonstrating the characteristic arc shape of projectile motion. - **Launch Angle**: The angle at which the ball is struck relative to the ground impacts the distance and height of the trajectory. This visual serves as a practical example of physics concepts such as kinematics and dynamics, applied to a real-world scenario.
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