Expanded.4 deals with the conservation of momentum principle. Using the conservation of momentum principle to solve this problem is mandatory. Solution using other approaches will be automatically considered false.For the problem related to Expanded.4, sketches of the system showing:• the respective initial and final velocity and position coordinates and the frame of reference considered• the forces acting on the system of considered, in other words, a free body diagram (FBD)are mandatory. Their absences will automatically make the problem false.ABF300 mm600 mmKnowing the angular velocity of rotation of the bob, 4-kg, is 3 rad/s when the length of the rope is 600mm and the angle is 44°, what is the angular velocity of the rope if the length of the rope becomes 300mm while the anglereduces of 6°?

Given-Information:- mass, m = 4 kg angular velocity, ω = 3 rad/slength, l = 600 mmAngle, θ = 44°…

Answered: B 300 mm

Engineering

Mechanical Engineering

B 300 mm

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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Expanded.4 deals with the conservation of momentum principle. Using the conservation of momentum principle to solve this problem is mandatory. Solution using other approaches will be automatically considered false. For the problem related to Expanded.4, sketches of the system showing: • the respective initial and final velocity and position coordinates and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. A B amm F 300 mm 600 mm Knowing the angular velocity of rotation of the bob, 8-kg, is 5 rad/s when the length of the rope is 600mm and the angle is 41°, what is the angular velocity of the rope if the length of the rope becomes 300mm while the angle reduces of 9°?
Expanded.3 deals with the conservation of momentum principle. Using the conservation of momentum principle to solve this problem is mandatory. Solution using other approaches will be automatically considered false. For the problem related to Expanded.3, sketches of the system showing: • the respective initial and final velocity and position coordinates and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. The automobile has a weight 3,158-lb and travels forward at 8ft/s when it crashes into the wall and stops. The impact occurs in 0.04 s. If the coefficient of kinetic friction between the wheels and the pavement is 0.42, and the brakes are applied, what is then the average impulsive force?
Fundamental.7 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy ...) will be automatically considered false. For the problem related to Fundamental.7 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. B r C The pendulum bob B has a weight of 5lb and is released from rest in the position shown, 0 =0°. Determine the tension in string BC of length r = 5 ft at the instant the bob reaches point D, =7º.
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Fundamental.7 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy ...) will be automatically considered false. For the problem related to Fundamental.7 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. B The pendulum bob B has a weight of 3lb and is released from rest in the position shown, 0 =0°. Determine the tension in string BC of length r = 4 ft at the instant the bob reaches point D, =4°.
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Expanded.1 deals with the conservation of energy principle. Using the conservation of energy principle to solve this problem is mandatory. Solution using other approaches (equation of motion ...) will be automatically considered false. For the problem related to Expanded.1, sketches of the system showing: • the respective initial and final velocity and position coordinates and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. The 1-lb collar starts from rest at A and is lifted by applying a constant vertical force F to the cord. The rod is smooth. h=4-ft. 3 ft- Q B A F Determine the Force required for the collar speed to be 2 ft.s¹ at B
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