The collar of mass m 3.1 kg slides on the rough horizontal shaft under the action of the force Fof constantmagnitude F 21 N but variable direction. If e 0.61t, and if the collar has a speed v1 3.9 m/s to the right when e=0, determine the velocity v2 of the collar when 0 reaches 90.Also determine the value of Fwhich renders V2 = V1The coefficient of friction is Hk 0.18FтAnswers:If F 21 N, V2m/s=If v2 V1,F=

Draw the impulse momentum diagram of the collar.

Answered: The collar of mass m 3.1 kg slides on…

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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The 5.5kg block hits the spring with a speed of 3.9m/s. Determine the total distance traveled by the block before it comes to a permanent stop. Use k=2.7 N/m and the coefficients of friction are shown in figure
Find the velocity of body A after it has moved, startingfrom rest at the given position, for 9 ft along the surfaceshown. The coefficient of friction between block A and thesurface is 0.35.
The 65-kg crate rests on a horizontal platform for which the coefficient of kinetic friction is µk = 0.28. the crate is subjected to a 500-N towing force.Determine the velocity of the crate in 3s starting from rest and the weight of the crate?
The sports car, having a mass of 1600 kg is travelling horizontally along a 20° banked track which is circular and has a radius of curvature of 110 m. If the coefficient of friction between the tires and the road is u = 0.2, determine the maximum constant speed at which car can travel without sliding up the slope. Neglect the size of the car.
2. The block (A) has a mass of 10 kg and the coefficient of dynamic friction between the block and the ground is μ = 0.3. Block B has a mass of 15 kg and slides down a frictionless pole. If the blocks start from at x=0 calculate: a. The distance block A moves after block B has fallen 4 m b. The relationship between the speed of A and the speed of B c. The work done by friction on block A d. The velocity of block B. B 2m A
The 33-kg crate is stationary when the force Pis applied. Determine the resulting acceleration of the crate if (a) P = 0, (b) P = 143 N, and (c) P = 322 N. The acceleration is positive if up the slope, negative if down the slope. H, = 0.37 HE = 0.29 33 kg 25 Part 1 Part (a). We need to decide if the block moves. The easy way to make this decision is to assume that the block does not move and then to test this assumption. If P = 0, what friction force F is needed to keep the block from moving? mg P Answer: F = i N
The 180-g slider has a speed v= 1.4 m/s as it passes point A of the smooth guide, which lies in a horizontal plane. Determine the magnitude R of the force which the guide exerts on the slider (a) just before it passes point A of the guide and (b) as it passes point B. Answers: (a) R₂ = (b) RB = i i -200 mm B N N
The 10-lb block has a speed of 4 ft/s when the force of F = (8t²) lb is applied. The coefficient of kinetic friction at the surface is μ = 0.2. (Figure 1) Figure F = (81²) lb v = 4 ft/s 1 of 1 > Part A Determine the speed of the block when it moves s = 30 ft. Express your answer to three significant figures and include the appropriate units. V = Submit 0 O μA Value Provide Feedback Request Answer Units ? Next >
Determine the speed v which the 690-kg four-man bobsled must have in order to negotiate the turn without reliance on friction. Also find the net normal force N exerted on the bobsled by the track. 23° Answers: V= i N = i -p=58 m m/s kN
1. The collar is given a speed VA = 5 m/s to the left at position A. What is its speed at B? The guide is smooth so that the collar is not subject to any friction. The unstretched length of the spring is R = 1.2 m and the spring constant is k = 500 N/m. B R R MacBook Pro
Pls. specify the procedure

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