Exercise 5.33You are lowering two boxes, one on top of the other, down theramp shown in the figure (Figure 1) by pulling on a rope parallelto the surface of the ramp. Both boxes move together at aconstant speed of 15.0 cm/s. The coefficient of kinetic frictionbetween the ramp and the lower box is 0.499, and thecoefficient of static friction between the two boxes is 0.774.Figure 132.0kgof 148.0kg4.75 m2.50m>Part AWhat force do you need to exert to accomplish this?T=[VD | ΑΣΦ 5Submitf=SubmitPart BWhat is the magnitude of the friction force on the upper box?VOSubmitMy Answers Give Upup the rampOdown the rampΑΣΦCorrectMy Answers Give UpBETenagePart CWhat is the direction of the friction force on the upper box??My Answers Give Up?NN

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Efficient and safe transportation depends on friction being either minimized or maximized, as necessary. Using research, find a) one example in which friction is maximized to aid in transportation. b) one example in which friction is minimized to aid in transportation. For each situation, explain how the friction is maximized/minimized and why this is necessary or beneficial. c) Give at least one source that you used for your research.
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Can you please answer these. In the previous question the acceleration was found to be a= 1.675 Question 5 The situation for this problem is as explained in question 4. Block E is moving up and to the left (and Block D is moving down). The mass of Block D is 3.2 kg. The mass of Block E is 2.4 kg. The coefficient of kinetic friction between Block E and the plane is 0.5. The inclined plane is inclined at an angle of θ = 32 degrees above horizontal. Calculate the tension in the string (in units of newtons). Question 7 This question is the same as question 5 with the exceptions that The numbers have changed, and Block E is moving down and to the right (this refers to velocity) Block E is moving down and to the right (and Block D is moving up). The mass of Block D is 2.9 kg. The mass of Block E is 3.9 kg. The coefficient of kinetic friction between Block E and the plane is 0.41. The inclined plane is inclined at an angle of θ = 31 degrees above horizontal. Calculate the acceleration of…
In , the man has a mass of 65 kg and the crate has a mass of 110 kg. The coefficient of static friction between his shoes and the ground is μs = 0.4 and between the crate and the ground is μc = 0.3. A) Determine if the man is able to move the crate using the rope-and-pulley system shown. B) Prove your answer to part A by calculating the static frictional force F�between the man's shoes and the ground required to move the crate and the maximum static frictional force Fmax which can be developed. Express your answers in newtons to three significant figures separated by a com_ma.
Figure B 0.500 m Part C Block A has a mass of mд = 42.0 kg and rests on a flat surface. (Figure 3)The coefficient of static friction between the block and the surface is μA = 0.210. The coefficient of static friction between the rope and the fixed peg B is 0.340. The width of the block is d=0.200 m. Find the greatest mass, mc, that weight C can have such that block A does not move. Express your answer numerically in kilograms to three significant figures. ▸ View Available Hint(s) ΜΕ ΑΣΦ ↓↑ vec mc 30.6 T 0.200 m A 0.300 m Submit Previous Answers 0.400 m- × Incorrect; Try Again; 19 attempts remaining ? kg
The 20-g bullet is travelling at 400 m/s when it becomes embedded in the 2-kg stationary block. The coefficient of kinetic friction between the block and the plane is μk = 0.38. (Figure 1) Figure 400 m/s 1 of 1 Part A Determine the distance the block will slide before it stops. Express your answer to three significant figures and include the appropriate units. S = 1 Submit Value μA Provide Feedback Request Answer Units ?
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Part A If the coefficient of static friction between a table and a uniform massive rope is ls, what fraction of the rope can hang over the edge of the table without the rope sliding? Express your answer in terms of us. ? r = Submit Request Answer
e1 A double incline is setup with two ramps as shown. The left block has a mass m1, and the right block has a mass m2. The left ramp is rough with kinetic friction coefficient uy and an angle 01. The ramp on the right is frictionless with an angle 02. The pulley is massless and frictionless. Assume the system starts accelerating to the right on initial release. a) In the Space below draw a set of free body diagrams (or a single one if taking that method which is fine) to fully describe all forces in this problem. b) Find an equation for the acceleration of the system.
6. Please help me answer both parts to this physics problem
Part C plot data on the T vs r graph shown below. Draw a best-fit line to the data and calculate the slope of the best fit line Part D use your equation from Part B along with the slope of your best -fit line from part C to calculate the value of m
Can you please answer this