Course Contents » ... » HW #3 (due Mon 2/6 at 10am) » resultant2.problemlyThe vector above is given in x- and y-component form as Vx = 14 m/s, Vy = -5 m/s'What is the angle 8? Enter an answer between 0 and 360 degrees. (no negatives)degreesSubmit Answer Tries 0/2What is the magnitude of the vector?m/sSubmit Answer Tries 0/2Post DiscussionX

Answered: Image /qna-images/answer/05b76c67-1549-48c7-b624-87ca7440b9b4.jpg

Answered: 0 \y₁ Submit Answer Tries 0/2 X The…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 47PE: A football player punts the ball at a 45.0° angle. Without an effect from the wind, the ball would...

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A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Hall the crowd hopes he ball will clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 20.0 m/s at an angle of 53.0 to the horizontal. (a) By how much does the ball clear or fall short of clearing the crossbar? (b) Does the ball approach the crossbar while still rising or while falling?
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A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 20.0 m/s at an angle of 53.0 to the horizontal, (a) By how much does the ball clear or fall short of clearing the crossbar? (b) Does the ball approach the crossbar while still rising or while falling?
A football player punts the ball at a 45.0° angle. Without an effect from the wind, the ball would travel 60.0 m horizontally. (a) What is the initial speed of the ball? (b) When the ball is near its maximum height it experiences a brief gust of wind that reduces its horizontal velocity by 1.50 m/s. What distance does the ball travel horizontally?
1. Please refer to the following vectors:A = 6i + 2j - 3kB = 3i - j - 2kC = -i + j - 4kD = j - 3kE = -i + 2kF = -5kG = 2iH = -3jI = -4i +4j Find the projection of vector C on vector D. CHOICES: 5 11 13 25 2. For bodies that are falling, to achieve terminal velocity, what must happen to the acceleration of the body? a. The acceleration of the body is remains the same through time. b. The acceleration of the body must decrease over time c. The acceleration of the body must equal to the acceleration due to gravity. d. The acceleration of the body must increase over time.
2. Given 4 vectors with magnitude of 200 for V1, 200 for V2, and 150 for V3 and 100 for V4. V1 has an inclination of 30*NE, V2 is 37* SE, V3 0*W and V4 is 45*NW. What is the resultant and its direction?
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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 fieldtoward 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 isthrown. (b) The ball is caught by a player 5 ft above the ground. Is the player in bounds or out ofbounds when he receives the ball? (Assume the player is standing vertically with bothtoes on the ground at the time of reception.)

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0 \y₁ Submit Answer Tries 0/2 X The vector above is given in x- and y-component form as Vx = 14 m/s, Vy = -5 m/s' What is the angle 8? Enter an answer between 0 and 360 degrees. (no negatives) degrees