n the Superbowl, a quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 5 ft and has initial velocity of ~v(0) =< 40, 35, 32 > ft/sec. Assume an acceleration of 32 ft/sec2 due to gravity, i.e., ~a(t) =< 0, 0, −32 >, and that the vector ~i points down field toward the endzone and that the vector ~j points to the sideline. The field is 150 ft in width and 300 ft in length. (a) Determine the position function that gives the position of the ball t seconds after it is thrown. (b) The ball is caught by a player 5 ft above the ground. Is the player in bounds or out of bounds when he receives the ball? (Assume the player is standing vertically with both toes on the ground at the time of reception.)
n the Superbowl, a quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 5 ft and has initial velocity of ~v(0) =< 40, 35, 32 > ft/sec. Assume an acceleration of 32 ft/sec2 due to gravity, i.e., ~a(t) =< 0, 0, −32 >, and that the vector ~i points down field toward the endzone and that the vector ~j points to the sideline. The field is 150 ft in width and 300 ft in length. (a) Determine the position function that gives the position of the ball t seconds after it is thrown. (b) The ball is caught by a player 5 ft above the ground. Is the player in bounds or out of bounds when he receives the ball? (Assume the player is standing vertically with both toes on the ground at the time of reception.)
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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In the Superbowl, a quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 5 ft and has initial velocity of ~v(0) =< 40, 35, 32 > ft/sec. Assume an acceleration of 32 ft/sec2 due to gravity, i.e., ~a(t) =< 0, 0, −32 >, and that the vector ~i points down field
toward the endzone and that the vector ~j points to the sideline. The field is 150 ft in width and 300 ft in length.
(a) Determine the position function that gives the position of the ball t seconds after it is
thrown.
(b) The ball is caught by a player 5 ft above the ground. Is the player in bounds or out of
bounds when he receives the ball? (Assume the player is standing vertically with both
toes on the ground at the time of reception.)
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