To maintain Straight and level Flight at a particular ALT and AIS, a higher gross weight will require
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- An archer shoots an arrow at a 76.0 m distant target, the bull's-eye of which is at same height as the release height of the arrow. (a) At what angle must the arrow be released to hit the bull's-eye if its initial speed is 35.0 m/s? (Although neglected here, the atmosphere provides significant lift to real arrows.)Calculate the vertical component of the skiers velocity when they are at 140m below the edgeOn a strange planet the acceleration due to gravity is 20 ft/s^2 downwards towards the planet surface. If an object is launched from the ground with an initial velocity of 320 ft/s at an angle of 30 with the horizontal. Find the time the object is in the air, the time at which it reaches its maximum height and what that height is, and compute the tangential and normal accelerations at that point.
- Problem 4: A baseball is thrown horizontally from the pitcher's mound with a speed of 95 mph. Neglect air resistance, and determine how far the ball will drop by the time it crosses home plate 60 ft away.A ball is launched horizontally from a cliff with an initial velocity of u m s-'. After two seconds, the ball's velocity is in the direction 45° from the horizontal. What is the magnitude of the velocity in m s¯' at two seconds? (А) и (В) 1.5 u (C) 19.6 (D) 27.7During a baseball game, a baseball is struck at ground level by a batter. The ball leaves the baseball bat with an initial speed v0 = 45 m/s at an angle θ = 41° above horizontal. Let the origin of the Cartesian coordinate system be the ball's position the instant it leaves the bat. Air resistance may be ignored throughout this problem. Express the magnitude of the balls initial horizontal velocity vox in terms of vo and theta Find the ball's maximum vertical height Hmax in meters above the ground Express the magnitude of the balls initial vertical velocity voy in terms of Vo and theta
- While at bat, your baseball teams star hitter strikes a 145-gram ball with an initial velocity of 34.7 m/s at 40.1 degrees above the horizontal. Ignoring air resistance, find the maxium height reached by the ball above its starting location in meters.You are going to throw a ball upward at an angle of 5.80 degrees. If you can throw it with an initial speed of 24.7 m/s, what is its initial vertical velocity component? Your Answer: AnswerA small airplane flying horizontally with a speed of 179 mi/hr at an altitude of 280 ft above a remote valley drops an emergency medical package at A. The package has a parachute which deploys at B and allows the package to descend vertically at the constant rate of 6.2 ft/sec. If the drop is designed so that the package is to reach the ground 25 seconds after release at A, determine the horizontal lead L so that the package hits the target. Neglect atmospheric resistance from A to B. B. Target- L 179 mi/hr A 280'
- A car is traveling horizontally at the moment it drives off the top of a 7.19 m tall cliff. The car travels 21.5 m horizontally before striking the ground. Assuming no air-resistance can be ignored, how fast was the car traveling at the moment it left the top of the cliff?An astronaut is rotated in a horizontal centrifuge at a radius of 7.40 m. (a) What is the astronaut's speed if the centripetal acceleration has a magnitude of 5.80g? (b) How many revolutions per minute are required to produce this acceleration? (c) What is the period of the motion? (a) Number 20.51 Units m/s (b) Number 26.5 Units rev/min (c) Number 2.27 Units SJamir fired a 105mm artillery with a projectile exit velocity of 250 m/s. If the tip of the barrel is 2 meters above the ground, and the angle of inclination of the barrel is 60°. Determine the distance traveled by the projectile in meters assuming air resistance and Coriolis Effect is negligible.