College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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An aircraft maintains a heading of due north. if the plane has a ground speed of 220 km/hr at 20 degrees E of N, determine the speed of the wind blowing from the west.
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- What bearing and airspeed are required for a plane to fly 700 miles due north in 3.5 hours if the wind is blowing from a direction of 341° at 14 mph? mph at a bearing of The plane should fly at (Round to the nearest integer.)arrow_forwardA pilot wants to fly due north, but finds that he must direct his plane 19.0° to the east to accomplish this. If the plane's air speed is 200 km/h, and the wind is from the east, what is the wind speed in km/h?arrow_forwardAn airline's navigator determines that the jet is flying 475 mph with a heading of N 42.5° W, but the jet is actually moving at 465 mph in a direction of N 37.7° W. What is the velocity of the wind?arrow_forward
- Consider the following scenario. A pilot is steering a plane in the direction N 45° W at an air-speed (speed still in air) of 150 mi/h. A wind is blowing in the direction S 30° E at a speed of 34 mi/h. Set up the coordinate axes so that north is the positive y-direction and west is the negative x-direction. With respect to the still air, write a vector that represents the velocity of the plane and a vector that represents the velocity of the wind. plane Give a velocity vector of the plane relative to ground. (Round your values to three decimal places.) V=Vane + wind" Find vl. (Round your answer to one decimal place.) |v| Find the true course and the ground speed (in mi/h) of the plane. (Round your answers to one decimal place.) true course N x w ground speed x mi/harrow_forwardAn airplane has an airspeed of 520 km/h bearing 48° north of east. The wind velocity is 70 km/h in the direction 25° north of west. Find the resultant velocity representing the path of the airplane with respect to the groundarrow_forwardAn airplane flies horizontally from east to west at 266 mi/hr relative to the air. If it flies in a steady 36 mi/hr wind that blows horizontally toward the southwest (45° south of west), find the speed and direction of the airplane relative to the ground. The speed of the airplane is approximately? the direction of the airplane relative to the ground is?arrow_forward
- A jet airliner is moving east at 225 m/s, but experiences a head wind heading north at 50.0 m/s. b) When determining speed of the airliner, does it have to do with calculating speed, based on the two "givens" to calculate the hypotenuse of a right triangle?arrow_forwardA migrating salmon heads in the direction N 45° E swimming 8. 5 mi/hr relative to the water. The ocean currents in the area flow due East at 3 mi/hr. Find the true velocity of the fish as a vector and find its speed, the magnitude of this velocity vector.arrow_forwardAn explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. He was supposed to travel due north for 5.1 km, but when the snow clears, he discovers that he actually traveled 8.4 km at 46° north of due east. (a) How far and (b) in what direction (south of due west) must he now travel to reach base camp? (a) Number i 34.99 (b) Number 1.48 Units Units km ° (degrees)arrow_forward
- A hot air balloon is drifting east at 53 km h-1 . Due to a cross wind, its resultant velocity is 42 km h-1 in a 25° direction. What is the speed and direction of the cross wind?arrow_forwardA sailboat moving in the direction shown is tacking to windward against a north wind. The log registers a hull speed of 6.7 knots. A "telltale" (light string tied to the rigging) indicates that the direction of the apparent wind is 33° from the centerline of the boat. What is the true wind velocity vw? 6.7 knots 430 330 Vw knots Answer: vw = iarrow_forwardA pilot is in his plane with the intention of flying to Nunavut. From the current location, Nunavut is [N 9.0W]. The flight tracker estimates the distance from Toronto to Nunavut is approximate 3.0x103km. The plane hasthe capability to fly at an airspeed of 890 km/hr. The pilot aims the plane at a heading [N], and lands in Nunavutdirectly. If the flight takes 3.33 hrs to complete: a. What is the velocity of the plane relative to the Earth? b. What was the wind velocity present on that day?arrow_forward
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