Part A 105⁰ F-250 N 30° Resolve the force F into components along the u and u axes and determine the magnitudes of these components. Enter your answers in newtons to three significant figures separated by a comma.
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- Part A Given vectors A = -4.8î + 6.8ĵ and B = 9.61 + 6.7 j, determine the vector C that lies in the xy plane perpendicular to B and whose dot product with A is 20.0. Express your answer using two significant figures. Express your answer in terms of the unit vectors i and 3. C = ΑΣΦ ↑A skateboarder is attempting to skate through a vertical loop of radius r = 7.5 m. He skates down a ramp and is launched into the loop by an inclined plane that makes an angle of θ = 45 degrees with respect to the horizontal. a. If the skateboarder begins from rest how high does the ramp he starts from have to be so that he does not fall at the top of the loop? Give your answer in meters.An inclined plane has angle theta with respect to the vertical. A. Find an expression for the components in the direction of the plane. B. Find an expression for the component of gravity in the direction perpendicular to the plane. C. Sketch figures which illustrate parts a and b above; highlight and label the results.
- Two vectors are defined in component form below. Use them to answer the following questions. Note: ,ŷ, and 2 are Cartesian unit vectors. H = -5ŷ + 42 G = -5x + 22 a) Determine A if A = H.G. b) If] = G., then which of the following is true? (Choose all that are true.) Briefly explain your reasoning. i. ii. A = -J A = J c) Determine C in component form if C = H x G. d) If K = G x A, then which of the following is true? (Choose all that are true.) Briefly explain your reasoning. i. C = -K ii. iii. iv. C = R K C. K = 0 |× K = 0In (Figure 1), l = 4 m and n = 4.5 m. Figure 11 B 8 F=600 N 3 m 1 of 1 Part A Determine the angle between the force and the line AB. Express your answer in degrees to three significant figures. 17 ΑΣΦ 0 = Submit Provide Feedback Request Answer vec ?How do you get part C
- Part A How many revolutions per minute would a 30 m -diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? Express your answer using two significant figures. ΑΣφ ? f = 5.6 rpm Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remainingPart A How many revolutions per minute would a 26 m-diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? Express your answer using two significant figures. VE ΑΣΦ f = pond ? rpmIn the example below, a lady pushes a lawn mower with a force, F , equal to 5.0N. Part A If 0 is 28° the force in Cartesian co-ordinates would be given by: O F=2.3Nâu + 4.4Nŷ O F= 4.4Nt – 2.3Nŷ O F= 2.3N – 4.4Nŷ O F=4.4Nây +2.3Nŷ
- F1 F2 Given that F1 825 N, F2 = 630 N, and a = 32° , determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis. . The magnitude of the resultant force in N is (round to two decimal places) : N The direction of the resultant force in degrees is (round to two decimal places) : degreesLet A = 4î – 2ĵ, B = −3î + 5ĵ, and Ē = 2A +3B. Part A Write vector E in component form. Express your answer in terms of the unit vectors i and j. Use the 'unit vector' button to denote unit vectors in your answer. VE ΑΣΦ E Submit Request Answer ?Please just do part b and c