Learning Goal:To set up and solve the equations of motion usingrectangular coordinates.Part B- The acceleration of the collar after it has moved a certain distanceThe 3.5 -kg collar shown has a coetficient of kinetic frictionHk = 0.2 with the shaft. The spring is unstretched whens =0 and the collar is given an initial velocity ofvo = 18.2 m/s. The unstretched length of the spring isd = 1.5 m and the spring constant is k- 57.4 N/m.(Figure 1)What is the acceleration of the collar ater it has moved 4.5 m?Express your answer to three significant figures.• View Avallable Hint(s)VO AEd| itvec?52.414m/sSubmitPrevious Answersx Incorrect; Try Again; 5 attempts remainingFigure1 of 1>Part C- The speed of the collar after it has moved a certain distancetoWhat is the speed of the collar after it has moved 4.5 m?Express your answer to three significant figures and include the appropriate units.• View Available Hint(s)ValueUnits

(b) Consider the free body diagram shown below for the given condition.

Answered: To set up and solve the equations of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A block with a mass of 2.0kg is on a horizontal surface of negligible friction. The block is attached to one end of an ideal spring. The other end of the spring is attached to a vertical wall as shown. The block is pulled back and released from rest. The graph shows the horizontal position x of the block as a function of time t as the block oscillates on the surface. The block is moving to the right when it breaks away from the spring moving with its maximum linear speed. The block reaches an area with a rough surface that has a coefficient of kinetic friction of 0.200. Calculate the distance the block moves on the rough surface as it comes to rest. If he block is then replaced with a cylinder of radius 0.25 m and mass 2.0 kg, which is attached to the spring along an axis through its center. The cylinder is placed on a new surface, which allows it to roll while in oscillation. The cylinder is pulled back until the spring is stretched the same distance as in the previous experiment,…
block C mass = 99 kg block D mass = 66kg horizontal force (H) = 555N and is applied at block D. Angle = 32.779 degrees note: Ignore friction. Computations must follow D'Alembert's Principle or else the solution is null and void. And answers should be in Newtons or KiloNewtons 1.) Calculate the Normal Force of Contact between blocks D and C. 2.) Determine the Block D Acceleration 3.) Determine the Block C Acceleration
Learning Goal: To use the equations of motion as they relate to linear translation of an object to determine characteristics about its motion. The car shown has a mass of m= 1500 kg and a center of mass located at G. The coefficient of static friction between the wheels and the road is us = 0.250. The dimensions are a = 1.25 m, b = 1.75 m, and c = 0.310 m. Assume the car starts from rest, the wheels do not slip on the road, and that the car experiences constant acceleration. Neglect the mass of the wheels.(Figure 1) Figure b→ L. B 1 of 1 Determine the shortest time it takes the car to reach a speed of v= 80.0 km/h, starting from rest, if the engine drives only the rear wheels. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) t = Submit Value t = Part B - Shortest Time to Reach a Given Speed with Front-Wheel Drive μA Determine the shortest time it takes the car to reach a speed of v= 80.0 km/h, starting from rest, if the engine…
23. In a spring controlled governor, the radial force acting on the balls was 4500 N when the centre of balls was 200 mm from the axis and 7500 N when at 300 mm. Assuming that the force varies directly as the radius, find the radius of the ball path when the governor runs at 270 r.p.m. Also find what alteration in spring load is required in order to make the governor isochronous and the speed at which it would then run. The mass of each ball is 30 kg. 80 mm 60 mm A 80 mm B stor lo auben oris rade +a b-
23. In a spring controlled governor, the radial force acting on the balls was 4500 N when the centre of balls was 200 mm from the axis and 7500 N when at 300 mm. Assuming that the force varies directly as the radius, find the radius of the ball path when the governor runs at 270 r.p.m. Also find what alteration in spring load is required in order to make the governor isochronous and the speed at which it would then run. The mass of each ball is 30 kg. 80 mm 60 mm A 80 mm stor lo auiber ors +a b-
Consider the system shown below. Block A weighs 95.0N and block B weighs55.0N. Once block B is set to downward motion, it descends at a constant speed.A) Calculate the coefficient of kinetic friction between block A and the tabletop.B) A dog, also of weight 95.0N, Falls asleep on top of block A. If block B is now setinto downward motion, what is its acceleration (magnitude and direction)?
Learning Goal: Use the general equations of motion for plane motion to determine the initial acceleration of a spool. A spool has an outer radius R = 380 mm, an inner radius r = 210 mm, a mass m = 90 kg, and a radius of gyration KG = 320 mm. A rope is wrapped around the inner radius and pulled to the right as shown in (Figure 1). The coefficient of static friction between the spool and the ground is us = 0.2. The coefficient of kinetic friction is k = 0.15. Figure R A P 1 of 1 Part A Draw the free-body diagram for the spool, assuming the friction force acts to the right. Draw the vectors, starting at the black dots. The location and orientation of the vectors will be graded. The length of the vectors will not be graded. + 0 No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Submit Request Answer
In the image, blocks A and B have 50 and 10 kg in order of . It is given that the coefficients of friction between all surfaces of contact are kinetic coefficient of friction =0.3 and static coefficient of friction = 0.4 If P=100 N, find the acceleration of B and the tension in the beam?
Equations of Motion: Translation Learning Goal: The car shown has a mass of m= 950 kg and a center of mass tocated at G. The coefficient of static friction between the wheels and the road is 4,-0.220. The dimensions are a = 1.25 m, b= 1.55 m, and c = 0.250 m. Assume the car starts from rest, the wheels do not slip on the road, and that the car experiences constant acceleration. Neglect the mass of the wheels. (Figure 1) Figure 99°F Sunny 4 E -a-b $ R DIF B 96 1 of 1 > T G Part A - Shortest Time to Reach a Given Speed with Rear-Wheel Drive = Determine the shortest time it takes the car to reach a speed of v- 72.0 km/h, starting from rest, if the engine drives only the rear wheels. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) ▷ t = Submit μA Value & t= Value 7 ← ▼ Part B - Shortest Time to Reach a Given Speed with Front-Wheel Drive 8 Determine the shortest time it takes the car to reach a speed of u 72.0 km/h, starting from…
01/ A porter governor its central load is 18 kg and the weight of each ball is 2 kg. The top arms are 25 cm while the bottom arms are each 30 cm long and all arms pivoted on the axis of Governors (Homework's) tation. The friction of the sleeve is 14 N. If the top arms make 45° with the axis of rotation in equilibrium position, find the speed of the governor at that position. 021 The four arms of a proell governor are 300 mm long and are pivoted on the axis of rotation. Fach ball weight 5 kg and is carried on an extension 100 mm long of the lower arms. The central load on the sleeve is 80 kg. Calculate the equilibrium speed of the governor to radius of rotation of 150 mm when the extension arm is vertical. Q3/ A porter governor has equal links, each 250 mm long pivoted at the axis of rotation, each ball is of mass 4 kg and the mass of the central load is 15 kg. The governor begins to lift when the ball radius is 150 mm. It has a maximum speed at a radius of 200 mm. Determine the maximum…
Q1: A mass mis tied to a string and made to move in avertical circle of radius r with constant speed v. For this, caculate the tention in the string at the lowest and highest point of the circle, also findout the minimum speed so that the string never goes slack.
KOREK a "la KOREK + HW2 SOLUTION: Write the kinematic relationships for the dependent motions and accelerations of the blocks. • Write the equations of motion for the blocks and pulley. 300 kg B Combine the kinematic relationships with the equations of motion to solve for the The two blocks shown start accelerations and cord tension. from rest. The horizontal plane and the pulley are frictionless, and the pulley is assumed to be of negligible mass. Determine the acceleration of each block and the tension in the cord. 12 12

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