Q11. A 2.6-kg collar travels down a smooth slope as shown. The spring hasunstretched length of 8 m and spring constant k = 31 N/m, and it is alwayshorizontal. Determine the work done by the weight to the collar during the processwhen the it moves from s₁ = 13 m to s2 = 7 m. Please pay attention: the numbersmay change since they are randomized. Negative sign must be included if the workdone is negative. Your answer must include 1 place after the decimal point, andproper Sl unit. Take g = 9.81 m/s².yGWOwwwYour Answer:$2Answerywww.$1units=4X

Answered: Image /qna-images/answer/6267e705-e173-44ff-a754-b59b4fc30c7e.jpg

Answered: Q11. A 2.6-kg collar travels down a…

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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Q3. As shown on the right in image below, the force Facting on the box varies with displacement s, and the coefficient in the image, C = 14. Determine the work done by force Fto the box when the box has displaced s = 1.9 m. Please pay attention: the numbers may change since they are randomized. Negative sign must be included if the work done is negative. Your answer must include 2 places after the decimal point, and proper SI unit. F (N) F 5 3 S 4 C s (m) 1 2
The top of a ladder weighing 20 kg and 6m long rests against a vertical wall and the foot of the ladder on a horizontal floor. For the wall, if = 0.15, and for the floor, f = O.2 O. How far up the ladder can a man weighing 60 kg go before the ladder begins to slip? Find the value of NB in terms of Y. * 60 Kg B -NB 0.15 kg X 20 kg 60° 0.2 NA NA
Q2. As shown on the right in image below, the force Facting on the box varies with displacement s, and the coefficient in the image, C = 15. Determine the work done by force Fto the box when the box has displaced s = 0.8 m. Please pay attention: the numbers may change since they are randomized. Negative sign must be included if the work done is negative. Your answer must include 2 places after the decimal point, and proper Sl unit. F (N) F 3 s – C s (m) 1 2.
Damian’s car weighs 2000kg. The spring has a natural unstretched length of 2m and a spring constant of k = 80000N/m. Hooke's law can be written as T = kd. Where T is the tension force in newtons, k is the spring constant and d is the length in metres. Let x(t) be the position of the front of Damian’s car and let y(t) be the position of the back of Eva’s 4WD. We will assume that the position of Eva’s car is a known function of time. Q1 a) Create a sketch of the positions of the vehicles similar to the one given and add the positions x and y. b) What is the extension of the spring in terms of x(t) and y(t)? Be careful to take into account that the unstretched length of the spring is 2m.
The 17-lb link AB is pinned to a moving frame at A and held in a vertical position by means of a string B which can support a maximum tension of 10.0 lb. Determine the horizontal support reaction at pin A when the string is about to break. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. Take g = 32.2 ft/s2. A 3 ft 4 ft B E 3 ft Your Answer: Answer units
A Wm 729-N weight man stands on a spring scale in an elevator. During the first 3 seconds of motion from rest, the tension Tin the hoisting cable is 8,704 N. Find the reading R of the scale in newtons during this interval. The total weight of the elevator, man, and scale is Wt 7,006-N. y 1 y T WT R Wm
If the uniform cabinet has weight of 195 lb, and the coefficient of static friction between the cabinet and the ground is Us = 0.19, determine the minimum force P that can make the cabinet slide. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point and proper unit. Take g = 32.2 ft/s2. -1 ft→--1 ft- P 4 ft 3.5 ft Your Answer: Answer units
Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m attached to a 50-kg block in an incline (©=30°). With the spring initially at equilibrium position, the block was pushed 0.3 meters up the incline by a 50-N external force applied parallel to the path. The coefficient of kinetic friction is 0.30. d) How much work is done by the block (in Joules) on the spring? e) How much work is done by the applied push on the block? f) How much work is done by friction?
If the uniform cabinet has weight of 200 lb, and the coefficient of static friction between the cabinet and the ground is g = 0.14, determine the minimum force P that can make the cabinet slide. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point and proper unit. Take g = 32.2 ft/s². Your Answer: Answer P 4 ft units A -1 ft-1 ft- 3.5 ft B
m = 160 gram 3. What is the change in length of the three springs? Acceleration due to gravity is g = 10 m.s³². 4. A bullet m = 0.001 kg moves with a speed of 500 m/s and strikes a After the collision the bullet becomes embedded into the block. Th the end of a spring k = 120 N/m. m M K mind k₁ relele mmm 2 kg a. What is the initial kinetic energy of the bullet? b. What is the speed of the bullet-block system after the collision? c. What is the kinetic energy of the bullet-block system after the collision? d. What is the maximum elastic potential energy when the block comes to rest? helele k₂
Q.6 A body of weight 120N rest on a rough horizontal surface (µ = 0.3) and is pulled by a force applied at an any of 30° to the horizontal. The force (in N) required to just cause body to slide over surface about is A 22.5 B в 27 WRONG C 35.43 D 40
Read the problem carefully and provide complete solutions with derivation of formulas (integrals and derivatives). Complete solution and units please. Use two decimal plaas for final" answers only. 1. a 50 kg man drops from a roof down to a trampoline which can be simplified as a spring with k = 2000 N/m. of the roof is 3m in height from the trampeline's surface, find the total deformation of the trampoline when the man stopt dropping down on the trampoline. Answer: 1.48m

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