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Example 2 A student throws a book horizontally out a dorm window with a speed of 12.5 m/s. The book lands on the ground 31.8 m from the base of the building. How high is the window above the ground?

Example 2 A student throws a book horizontally out a dorm window with a speed of 12.5 m/s. The book lands on the ground 31.8 m from the base of the building. How high is the window above the ground?

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter13: Universal Gravitation
Section: Chapter Questions
Problem 13.65AP: Review. As an astronaut, you observe a small planet to be spherical. After landing on the planet,...
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Solve example 2 and 3. Write the given, formula and the calculations
Example 1 A ball rolls off a 1.42-m high table with a speed of 2.63 m/s. How far from the base of the table will it land? X dx = ??? Vox 2.63 m/s ax = 0 m/s² Y dy = -1.42 m Voy = 0 m/s ay = -9.8 m/s² dvt-4.9.1² -1.420-4.9.1² (-1.42/-4.9) = 1² t = √(-1.42/-4.9) = 0.5383 ... s Vox = 2.63 m/s d₂ = ??? d₁= Voxt d = (2.63) (0.5383 ...) d = 1.42 m (1.41579... m) Slide 6 Strategy Read/Diagram ID Knowns ID Unknown Pick Equation Substitute/Solve Example 2 A student throws a book horizontally out a dorm window with a speed of 12.5 m/s. The book lands on the ground 31.8 m from the base of the building. How high is the window above the ground? Example 3 A stone is thrown from the top of a 52.5-m high vertical cliff and lands in the water below at a location 43.8 m from the bottom of the cliff. Determine the velocity with which the stone is thrown.
Transcribed Image Text:Example 1 A ball rolls off a 1.42-m high table with a speed of 2.63 m/s. How far from the base of the table will it land? X dx = ??? Vox 2.63 m/s ax = 0 m/s² Y dy = -1.42 m Voy = 0 m/s ay = -9.8 m/s² dvt-4.9.1² -1.420-4.9.1² (-1.42/-4.9) = 1² t = √(-1.42/-4.9) = 0.5383 ... s Vox = 2.63 m/s d₂ = ??? d₁= Voxt d = (2.63) (0.5383 ...) d = 1.42 m (1.41579... m) Slide 6 Strategy Read/Diagram ID Knowns ID Unknown Pick Equation Substitute/Solve Example 2 A student throws a book horizontally out a dorm window with a speed of 12.5 m/s. The book lands on the ground 31.8 m from the base of the building. How high is the window above the ground? Example 3 A stone is thrown from the top of a 52.5-m high vertical cliff and lands in the water below at a location 43.8 m from the bottom of the cliff. Determine the velocity with which the stone is thrown.
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