Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 3, Problem 49P
(a)
To determine
The distance from the person’s feet the ball strikes the ground when it is kicked up a
(b)
To determine
The distance from the person’s feet the ball strikes the ground when it is kicked up a
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The projectile shown in the figure below is fired att = 0 seconds with an initial speed of 160ft/s at an angle of 53 o above the horizontal axis. Use g = 32.0 ft/s 2 .(a) Find its position vector at t = 2.00 s(b) Find the velocity of the particle att = 2.00 seconds.(c) Find the maximum height H, and the time to reach this point.(d) Find the horizontal range R.(e) What is the acceleration of the projectile at the highest point?(f) With what velocity does it hit the ground?
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Chapter 3 Solutions
Physics Fundamentals
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- A cannonball is shot with an initial speed of 30.0 m/s and 25.0º angle above horizontal from a height of 12.0 m. How far can the cannonball go horizontally when it lands on the ground, in meters? Use g = 10.0 m/s2. (Hint: Clearly label quantities along x- and y- components and write down all steps.)arrow_forwardIn a friendly game of handball, you hit the ball at ground level and send it towards the wall with a speed of 18 m/s at an angle of 40o above the horizontal. (a) If the wall is 3.8 m away how high is the ball when it hits the wall? (b) What are the x and y velocity components just before it strikes the wall? (c) What is the magnitude and direction at this time?arrow_forwardFrom the window of a building, a ball is tossed from a height yo above the ground with an initial velocity of 7.50 m/s and angle of 21.0° below the horizontal. It strikes the ground 6.00 s later. (a) If the base of the building is taken to be the origin of the coordinates, with upward the positive y-direction, what are the initial coordinates of the ball? (Use the following as necessary: yo: Assume SI units. Do not substitute numerical values; use variables only.) X; = Y = (b) With the positive x-direction chosen to be out the window, find the x- and y-components of the initial velocity. Vi, x Vi, y = m/s %3D %3D m/s (c) Find the equations for the x- and y-components of the position as functions of time. (Use the following as necessary: yo and t. Assume SI units.)arrow_forward
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Kinematics Part 3: Projectile Motion; Author: Professor Dave explains;https://www.youtube.com/watch?v=aY8z2qO44WA;License: Standard YouTube License, CC-BY