3.) 13.152* - A sphere (m = 2 kg) is connected to a fixed point O by an inextensible cord (L = 1.2 m). Thesphere rests on a frictionless horizontal surface at a distance of x = 0.5 m from O when it is given a velocity(V.) in a direction perpendicular to OA. It moves freely until it reach A', when the cord becomes taut. Findthe maximum possible velocity v. if the impulse of the force exerted on the cord is not to exceed F = 3Ns. 1 = 1.2 m0.5 m13.152AA

Answered: Image /qna-images/answer/e80c2583-451d-423c-8ed7-2aa33a99e579.jpg

Answered: 3.) 13.152* - A sphere (m = 2 kg) is…

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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3. A mass m (2.0 kg) is attached to a horizontal spring of spring constant k (25 N/m) which is held stretched a distance x = 0.25 m from its relaxed position by a force, and then released. The spring compresses, pulling the mass. Assume there is no friction. a. Determine the speed of the mass when the spring returns to its relaxed position. b. Determine the speed of the mass when the spring is compressed by x/2.
7. A car whose brakes are locked skids to a stop 70 m from an initial velocity of 80 km/h. Find the coefficient of kinetic friction.
1. Parcels are moved via conveyor with velocity vo down to a colinear incline that is static at point A where sliding begins. The parcels eventually fall off at point B, which is 7.0 m past A. If the coefficient of kinetic friction on the incline is 0.40, find the velocity of the conveyor belt, vo, such that the parcels have zero velocity at point B. 7m 15°
As speed as possible please
6. Assume that m₁ = 2.5 kg and m2 = 4 kg. The pulley is frictionless and massless and the string that connects them is massless and doesn't stretch. The spring has constant is 50 N/m and the ramp is inclined at 35 degrees. The coefficient of friction is 0.1 between m₁ and the ramp. The system is initially at rest when m1 is pulled 18 cm down the face of the ramp and is then released. Find the speed of the masses when m₁ has moved 3 cm back up along the face of the ramp. 0 my m₂ WW k
A man who weighs 180 lbs.is riding in an elevator. Find the force exerted on the man by the floor of the elevator under the following conditions: (a) The elevator is accelerating upward at 12 ft/sec2. (b) The elevator is accelerating downward at 12 ft/sec2. (c) The elevator is accelerating downward at 32 ft/sec2. Have we made any restrictions on the directions of the velocity in parts (a), (b), and/or (c)? If so, what?
In the figure, a block slides down an incline. As it moves from point A to point B, which are 5.1 m apart, force Facts on the block with magnitude 2.7 N and directed down the incline. The magnitude of the frictional force acting on the block is 9.7 N. If the kinetic energy of the block increases by 41 J between A and B, how much work is done on the block by the gravitational force as the block moves from A to B? Number i Units
40 ft P2=20 ft 15 ft A 2000 lb car starts from rest at point 1 and moves without friction down the track shown. Determine: a) the force exerted by the track on the car at point 2, and b) the minimum safe value of the radius of curvature at point 3.
I need solutions to all the calculation s in the image
A parachutist whose mass is 80 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, = 30 N-sec/m when the chute is closed and b, = 100 N-sec/m when the chute is open. If the chute does not open until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/sec. The parachutist will reach the ground after 2.01 seconds. (Round to two decimal places as needed.)
A vertical spring with a mass attached at its end stretches by an amount 20 cm before coming to rest. The same spring and mass is now placed on a smooth inclined plane with one end fixed to the top of the plane. The plane makes an angle of 30° with the horizontal. By how much will the spring stretch before coming to rest? |The spring on the inclined plane is stretched further by 15 cm and released from rest. What is its speed when it passes through the new equilibrium position?
A W disk = 5 lb disk is travelling around in a circle of radius ₁ with an initial tangential velocity of (UB)₁. The cord is pulled down through the hole at a constant velocity of ur. After a few seconds, the disk has a final speed of Vf. Neglect friction and the size of the ball. F|VI| T2 = t= UT B (VB)₁ T1 MB Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value ft 15 (VB)₁ 5 r₁ ft S 2.5 ft ft S 4.5 12 S Vr a. Determine the tangential component of the velocity of the disk when it reaches its final speed, (V₂)+ b. Determine the radius of the rope from the disk to the hole when the disk reaches its final speed, 12. c. Determine the time required for the disk to reach its final speed, t. Round your final answers to 3 significant digits/figures. ft (V₂)t = S S A ft

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