6x² - 19 = 0
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6x² - 19 = 0
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- A door 2.30 m high and 1.30 m wide has a mass of 10.0 kg. A hinge 0.40 m from the top and another hinge 0.40 m from the bottom each support half the door's weight (Figure 1). Assume that the center of gravity is at the geometrical center of the door. Submit Previous Answers Correct Part B Determine the vertical component of the force exerted by hinge A on the door. Figure Express your answer to two significant figures and include the appropriate units. Enter positive value if the force is upward and negative value if the force is downward. HÀ 140 cm 2.30 m A FAy = Value Units y Submit Previous Answers Request Answer 1 30 mThree vectors are given as: A = 3â – 9âỹ B = 7ââ + 10ŷ C = 4⣠+ 5ÿ+ 62 These three vectors are used to define a parallelepiped. (a) What is the volume of the parallelepiped? (b) What is the surface area of the parallelepiped?Solve to the significant number of digits 3456 + 888.010 + 53.11 + 7 – 1.0 (45.805*2.00)/5.0 + 0.1
- Given: A: A = -16.7, A, = 37 B: Br= -0.4, By = -23.8 (a) Calculate the length and direction of A. Assume angles are measured from the +x-axis with counter-clockwise as positive angles and clockwise as negative angles. A = 0 A = (b) Calculate the length and direction of B. Assume angles are measured from the +x-axis with counter-clockwise as positive angles and clockwise as negative angles. B = OB (c) Calculate the components of the vector sum of A + B = C: CT= F Cy= (d) Calculate the length and direction of C: Assume angles are measured from the +x-axis with counter-clockwise as positive angles and clockwise as negative angles. C= Oc 0 = 0Question 1 What is the angle between the two vectors A = 32 + 4y and B = -82 +6ŷ? 90 degrees O0 degrees O 60 degrees 45 degrees Question 2#5: Find the general solution: 9??′′ + 12??′ + 4?? = 0.