A series of small packages, each with a mass of 0.5 kg, are discharged from a conveyor belt asshown. Knowing that the coefficient of static friction between each package and the conveyorbelt is 0.4, determine (a) the force exerted by the belt on the package just after it has passedpoint A, (b) the angle 0 defining the point B where the packages first slip relative to the belt.1 m/sАB.250 mm

Given: Mass of the package (m)=0.5kgCoefficient of static friction µ=0.4

Answered: A series of small packages, each with 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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2. (25) The small 2-kg block A slides down the curved path and passes the lowest point B with a speed of 4 m/s. If the radius of curvature of the path at B is 1.5 m, and the coefficient of friction between the block and path is 0.3, determine (a) the normal force exerted on the block by the path at B, and (b) the rate of change of speed at this point. B
A bullet (W₁ = 3.5 oz) with a is fired horizontally with a velocity v₁ = 1675 ft/sec into the block (W₂ = 5.7 lb) of soft wood initially at rest on the horizontal surface. The bullet emerges from the block with the velocity v₂ = 1280 ft/sec, and the block is observed to slide a distance of d = 7.3 ft before coming to rest. Determine the coefficient of kinetic friction μk between the block and the supporting surface. Answer: Uk= i W₁ W₂
A 74 g ball B dropped from a height ho=1.9 m reaches a height h₂= 0.25 m after bouncing twice from identical 250-g plates. Plate A rests directly on hard ground, while plate Crests on a foam-rubber mat. ho B hy Determine the height h1 of the ball's first bounce. The height h1 of the ball's first bounce is m.
3
A spring is used to stop a 50-kg package which is moving down a 20° incline. The spring has a constant k =34 kN/m and is held by cables so that it is initially compressed 50 mm. Knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest. Assume that the kinetic coefficient of friction between the package and the incline is 0.2. 2 m/s 50 kg 8m Cable 20° The maximum additional deformation of the spring in bringing the package to rest is 0.574 x m.
1. Which of the following has impulse/s that is/are NOT considered negligible during the impact of the sphere to member AB? I. Weight of Member ABC II. Weight of Sphere D III. Impact force between Sphere D and Member ABC IV. The reactions at pin B

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