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- 10: An airplane flew from Manila( 121o30' E, 14o N ) on a course of S 30o W and maintaining a uniform altitude. At what longitude will the plane crosses the equator? Select one: a. 113o 33' E b. 110o 28' E c. 114o 41' E d. 112o 38' EIt said 0.0117 degrees. Do you happen to know why?9. The displacement vectors and B shown in Figure P3.9 magnitudes А both have of 3.00 m. The direction of vec- B tor A is 0 = 30.0°. Find gra- phically (a) A+ В, (Ь) А— В, (c) В — А, аnd (d) A — 2В. (Report all angles counterclock- wise from the positive x axis.) -
- Answers are a) Bx = -2 & By = 2 b) 2.83, 135 degree counter clockwise How do you get these values?yA 60° A = 10.0 30° 30° B 53° D = 20.0 37 C 12.0 10 B = 5.0 F = 20.0A hot air balloons gondola is suspended below a cloth envelope containing 2.775 x 10^8 liters of hot air. How many milliliter's of hot air is this?
- Part A What is the electric flux through the surface shown in (Figure 1)? Assume that E = 220N/C. Express your answer in newton meters squared per coulomb to two significant figures. 15. ΑΣΦ Þe = Submit Request Answer ? N-m²/Cnework @@ 2 W S Question 9 of 14 X mmand Your answer is partially correct. A person is standing at the edge of the water and looking out at the ocean (see figure). The height of the person's eyes above the water is h= 1.7 m, and the radius of the Earth is R = 6.38 x 106 m. (a) How far is it to the horizon? In other words, what is the distance d from the person's eyes to the horizon? (Note: At the horizon the angle between the line of sight and the radius of the earth is 90°.) (b) Express this distance in miles. (a) Number -0² (b) Number i 2.5 F2 # 3 E D 80 F3 C 3293.33 $ 4 R F Q F4 % 5 V T JAN 20 A 9 F5 Units G Units 6 B mi c F6 Y H & 7 N Horizon K F7 U 8 00 J DII F8 I M ( - O 9 F9 K 1/10 E ⠀ O ) V O D J F10 P 니 - command 4 V P F11 T { + option Ji) E F12 ? 11Convert 38π83π into degrees
- The line from a point 150 feet from the base of a redwood tree to the top of the tree is 211 feet. If the angle of elevation to the top of the tree is 54.6 degrees, find the height of the tree in trigonometric form. a) 0211 sin(54.6) [ft.] b) O150 sin(54.6) [ft.] c) 0211 tan(54.6) [ft.] d) O150 cos(54.6) [ft.] e) ONone of the aboveThe perimeter of a rectangular solar panel is 260.0 cm. The ratio of the length to the width is 5 to 8. What are the dimensions of the panel?In spherical polar coordinates (l, q, a), q denotesthe polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by: A) Psinq sina B) Psinq cosa C) Pcosq sina D) Pcosq cosa