College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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In the polar coordinate system, r is the distance from any point to the point having Cartesian coordinates (x,y)
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- The x and y coordinates of point P are (-8.50 m, -7.00 m). What is the polar angle of point P?arrow_forwardwhat would be the polar coordinates of this vector? 0.265i + 0.223jarrow_forwardOn the map, let the +x-axis point east and the +y-axis north. An airplane flies at 880 km/h northwestward direction (i.e., midway between north and west). Can you help me visualize the components of the first velocity, and when the plane flies due south at the same velocity. I understand the answer will be -622.25 for the run, meaning 880*cos(45) for x -axis; the y axis north is 880*sin(45) resulting in 622.5 Please help me visualize the first and second velocity when the plane flies due south at the same velocity? Help me to visualize where one of the velocities due south is zero, and the other is whatever it is. I am afraid I can properly visualize or understand in simple terms what is asked. My point can you help to understand the right angle theorem to the angle.arrow_forward
- Vector A lies in quadrant 2 of the xy-plane. Vector B lies in quadrant 1 of the xy-plane. In what direction does the vector A x B point? K, -k, j or -j And why?arrow_forwardF5+F6+F7= -0.117i + 0.059j what would be the polar coordinates of this vector.arrow_forwardAfter enjoying a big sandwich at Katz's Delicatessen, you decide to walk back to your luxury suite at the Waldorf-Astoria Hotel. First, you perambulate 0.15 mi at a polar angle of 160 degrees 0.15 mi angle 160^ ) . Next, you skedaddle 1.60 mi at a polar angle of 55 degrees (1.60 mi angle55^ ) . You follow this with a 0.55 mi jaunt at a polar angle of 150 degrees (0.55 mi angle150^ ) Finally, you be-bop 0.82 mi at a polar angle of 60 degrees (0.82 mi angle 60^ ) . What is the overall displacement from your starting point at Katz's Delicatessen? Express your answer in polar notation.arrow_forward
- The x and y coordinates of point P are (-8.50 m, -7.00 m). What is the magnitude of point P?arrow_forwardIn the sum A + B = C, v A has a magnitude of 13.7 m and is angled 49.0° counterclockwise from the +x direction, and vector has a magnitude of 15.8 m and is angled 24.1° counterclockwise from the -x direction. What are (a) the magnitude and (b) the angle (relative to +x) of B? State your angle as a positive number. (a) Number i (b) Number i vector Units Unitsarrow_forwardIf vector a= (-15,-3h,3k), vector B= (-2h, 14, -k) and vector c= (-1,-5,0) determine the values of h and k such that a_|_b and a_|_c.arrow_forward
- You are wondering how high that hawk is, surveying your back yard from a perch at the top of an oak tree toward the back property line. Remembering that you learned about vectors in physics, you measure off two components of a vector from your feet to the bird. Let "x" be parallel to the back of your house, and "y" perpendicular to the house out to the base of the tree. The vector to the bird would be (x, y, z). If x is 49 and y is 70 meters, what would z be in meters such that the angle from your feet to the bird is 45 degrees?arrow_forwardSuppose A = (-2.33 m)i + (3.79 m)j, B = (2.87 m)i + (-4.8 m)j + (2.18 m)k, and D = (-2.99 m)i + (-4.24 m)j.. What is the angle, in degrees, between D and Aarrow_forwardSuppose A = (-2.82 m)i + (4.13 m)j, B = (1.46 m)i + (-4.97 m)j + (1.68 m)k, and D = (-4.75 m)i + (-5.96 m)j. What is the angle, in degrees, between D and A? What is the angle, in degrees, between D and B?arrow_forward
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