In a time of 3.1 h, a bird flies a distance of 91.9 km in a direction 27.2 degrees east of north. Take north to be the positive y direction and east to be the positive x direction. Express your answers in km/h.
A bird flies north at 60 km/hr for 2 minutes, then east at 70 km/hr for 5 minutes, and finally lands after flying south at 80 km/hr for 3 minutes. What is the displacement of the landing point from the take-off point. a. 2.04 km, 19 degrees north of east b. 2.04 km, 19 degrees south of east c. 11.83 km, 20 degrees north of east d. 11.83 km, 45 degrees south of east
A small plane flies 32.0 km in a direction 45° north of east and then flies 13.0 km in a direction 15° north of east. Use the analytical method to find the plane's straight line distance from the starting point (in km) and the geographic direction of its displacement vector (in degrees counterclockwise from the east axis) total straight-line distance direction km X ° counterclockwise from the east axis What is its displacement vector (in km)? (Assume the +X-axis is...
A bird watcher meanders through the woods, walking 0.45 km due east, 0.65 km due south, and 2.90 km in a direction 32.0° north of west. The time required for this trip is 2.00 h. (a) Determine the magnitude and direction (relative to due west) of the bird watcher's displacement. Use kilometers and hours for distance and time, respectively. magnitude _______________ km direction _______________ ° north of west (b) Determine the magnitude and direction (relative to due west) of the...
A bird watcher meanders through the woods, walking 0.40 km due east, 0.70 km due south, and 2.15 km in a direction 31.0° north of west. The time required for this trip is 3.00 h. (a) Determine the magnitude and direction (relative to due west) of the bird watcher's displacement. Use kilometers and hours for distance and time, respectively. Magnitude: ___km Direction:_____north of west (b) Determine the magnitude and direction (relative to due west) of the bird watcher's average velocity....
What time is required to travel a distance of 330 km along a freeway at the following constant speeds? -(a) 53.5 km/h -(b) 57.0 km/h Compute the average speed in m/s of a runner who completes a mile in 3.88 min? A force directed 54.1° below the positive x-axis has an x component of 5.02 lb. Find its y component. A certain vector A, of magnitude 5.49 units, points in a direction 31.0° to the left of the negative y-axis....
An airplane maintains a speed of 687 km/h relative to the air it is flying through as it makes a trip to a city 780 km away to the north. (Assume north is the positive y-direction and east is the positive x-direction.) (a) What time interval is required for the trip if the plane flies through a headwind blowing at 36.6 km/h toward the south? ________h (b) What time interval is required if there is a tailwind with the same...
A person walks 1.55 km north and then 2.75 km east, all in 3.00 hours. (a) What is the magnitude (in km) and direction (in degrees north of east) of her displacement during the given time? (b) What is the magnitude (in km/h) and direction (in degrees north of east) of her average velocity during the given time?(c) What was her average speed (in km/h) during the same time interval?
A plane flies from base camp to lake A, a distance of 330 km at a direction of 20.0° north of east. After dropping off supplies, the plane flies to lake B, which is 170 km and 30.0° west of north from lake A. Graphically determine the distance and direction from lake B to the base camp. distance _______km direction _______ ° south of west
Ship A is located 4.1 km north and 2.3 km east of ship B. Ship A has a velocity of 20 km/h toward the south and ship B has a velocity of 42 km/h in a direction 37 ° north of east. What are the (a) x-component and (b) y-component of the velocity of A relative to B? (Axis directions are determined by the unit vectors î and ĵ , where î is toward the east.) (c) At what time...