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- UD MY UTEP ← → C User Settings X Document Sharing A Mail-Alvarado, X mylabmastering.pearson.com/?courseld=12473856&key=14018101051816159781032023#/ Two packages at UPS start sliding down the 20.0° ramp shown in (Figure 1). Package A has a mass of 2.00 kg and a coefficient of kinetic friction of 0.350. Package B has a mass of 10.0 kg and a coefficient of kinetic friction of 0.110. Type here to search Blackboard Learr x PCourse Home X ℗ 7.3.3: A Strategy × b Answered: Two * G Two packages at x + For help with math skills, you may want to review: Vector Components Figure B A 1 of 1 2.00 m 20.0° W How long does it take package A to reach the bottom? Express your answer with the appropriate units. ► View Available Hint(s) At = Submit 0 Provide Feedback μA Value Units ? 74°F Sunny G✩ 4) 0 Next > 5:55 PM 11/3/2023 D x :A physics textbook is placed on an inclined slope with an adjustable angle a. The coefficients of friction between the book and the slope are us = 0.5 and uk = 0.35 %3D respectively. 1m a (i) Initially the book is not moving. Copy the diagram and draw all the forces acting on the book. Show mathematical expressions for the size (magnitude) of each force. If we slowly increase the angle a, at what angle does the book start sliding? (ii) Use the Work-Energy theorem to find a formula (expression) for the speed v of the book when it reaches the bottom, in terms of the angle a.MP 5 Review Part A Apply Newton's second law in component form to object C in the force diagram shown in (Figure 1). Express the resultant force in newtons in the form EF,EF, where the x and y components are separated by a comma. Vη ΑΣφ ΣFΣF - Figure 1 of 1 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining NS on C (250 N) Provide Feedback +X 30° Fpon c (200 N) FE on (150 N) P O Bb Type here to search ginit leadm C
- A cabinet of mass 5.0 kg is at rest on a ramp as shown. What is the magnitude of the normal force on the cabinet, in Newtons? Use g = 10 m/s2. %3D Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 30.0°IP Two blocks, stacked one on top of the other, can move without friction on the horizontal surface shown in the figure.(Figure 1) The surface between the two blocks is rough, however, with a coefficient of static friction equal to 0.44. Part A If a horizontal force F is applied to the 5.0-kg bottom block, what is the maximum value F can have before the 2.0-kg top block begins to slip? Express your answer using two significant figures. Πν ΑΣφ. F = N Submit Request Answer Part B If the mass of the top block increased, does the maximum value of F increase, decrease, or stay the same? O increases O decreases O stays the same Submit Request Answer Provide Feedback Figure 2.0 kg F 5.0 kgq1