E 34 X G com/document/d/1036mlGRQiq5R-ZFfHWYRTZDPKwUj908DM2CuJ0aFTBc/edit AClasses My 10 Year Planww. E Translate DictionarY.com | M. Microsoft Office Ho.. Dashboard W rmat Tools Add-ons Help Last edit was seconds ago BIUA co田ロ == = | E|=▼ m Normal text Arlal 11 b) at the max height, it is at its min, it's at its max when it hits the ground c) no because the direction of V(vector) is always different d) yes at the same height 14. Answer the following questions for projectile motion on level ground assuming negligible air resistance (the initial angle being neither 0° nor 90° ): (a) Is the acceleration ever zero? (b) Is the acceleration ever in the same direction as a component of velocity? (c) Is the acceleration ever opposite in direction to a component of velocity? 15. For a fixed initial speed, the range of a projectile is determined by the angle at which it is fired. For all but the maximum, there are two angles that give the same range. Considering factors that might affect the ability of an archer to hit a target, such as wind, explain why the smaller angle (closer to the horizontal) is preferable. When would it be necessary for the archer to use the larger angle? Why does the punter in a football game use the higher trajectory? 16. During a lecture demonstration, a professor places two coins on the edge of a table. She then flicks one of the coins horizontally off the table, simultaneously nudging the other over the edge. Describe the subsequent motion of the two coins, in particular discussing whether they hit the floor at the same time.
E 34 X G com/document/d/1036mlGRQiq5R-ZFfHWYRTZDPKwUj908DM2CuJ0aFTBc/edit AClasses My 10 Year Planww. E Translate DictionarY.com | M. Microsoft Office Ho.. Dashboard W rmat Tools Add-ons Help Last edit was seconds ago BIUA co田ロ == = | E|=▼ m Normal text Arlal 11 b) at the max height, it is at its min, it's at its max when it hits the ground c) no because the direction of V(vector) is always different d) yes at the same height 14. Answer the following questions for projectile motion on level ground assuming negligible air resistance (the initial angle being neither 0° nor 90° ): (a) Is the acceleration ever zero? (b) Is the acceleration ever in the same direction as a component of velocity? (c) Is the acceleration ever opposite in direction to a component of velocity? 15. For a fixed initial speed, the range of a projectile is determined by the angle at which it is fired. For all but the maximum, there are two angles that give the same range. Considering factors that might affect the ability of an archer to hit a target, such as wind, explain why the smaller angle (closer to the horizontal) is preferable. When would it be necessary for the archer to use the larger angle? Why does the punter in a football game use the higher trajectory? 16. During a lecture demonstration, a professor places two coins on the edge of a table. She then flicks one of the coins horizontally off the table, simultaneously nudging the other over the edge. Describe the subsequent motion of the two coins, in particular discussing whether they hit the floor at the same time.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 83AP: A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12s. There is an uncertainty of...
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