10. As the text discusses, the conservation of linear momentum is appli-cable only when the system of objects is an isolated system. Which of thesystems listed below are isolated systems?1. A ball is dropped from the top of a building. The system is the ball.2. A ball is dropped from the top of a building. The system is the balland the earth.3. A billiard ball collides with a stationary billiard ball on a frictionlesspool table. The system is the moving ball.4. A car slides to a halt in an emergency. The system is the car.5. A space probe is moving in deep space where gravitational and otherforces are negligible. The system is the space probe.(a) Only 2 and 5 are isolated systems. (b) Only 1 and 3 are isolatedsystems. (c) Only 3 and 5 are isolated systems. (d) Only 4 and 5 areisolated systems. (e) Only 5 is an isolated system.

An isolated system is a system that does not have any external force acting on it. Consider all the…

Answered: 10. As the text discusses, the…

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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Question 1: A sphere of mass m = 2 kg, is released from rest at point A (see Figure 1.1). Due to gravity, the sphere goes down the path AB (which is an inclined plane, at 45 degrees from the horizontal line) and then hits the ground at point D; the vertical wall BC is 2000 cm high (see Figure 1.1 for details) Assume no friction. (a) Derive the velocity of the sphere when it reaches point B. (b) Derive the distance CD and the time the sphere takes to go from point B to point D. State and justify your assumptions and comment on your working. Marks will be assigned for the quality of the presentation of the working and of the comments. (You have to assign the value of L, in centimetres, by using the last 3 digits of your student ID, and then solve the question; for example, if your student ID is 19980169, then L=169 cm; if your ID is 17680039, then L=39 cm; if your ID is 14567000, then L=1000 cm). L L C B D L = 50 cm in this Figure 1.1 case...
(a) Describe the principle of linear impulse and momentum with the aid of mathematical expression. [Huraikan prinsip dedenyut lelurus dan momentum dengan bantuan ungkapan matematik ] (b) Car 4 is moving with the velocity of 15 m/s when it makes a direct collision with Car B, which is in static condition as shown in Figure 3. The masses of Car A and B are given by m, = 1.6 Mg and mg = 1.5 Mg. The coefficient of restitution between Car A and Car B is e = 0.8. [Kereta A bergerak dengan kelajuan 15 m/s bila ianya menghentam kereta B yang berada dalam keadaan diam seperti dalam Rajah 3. Jisim kereta A dan B adalah ma = 1.6000000000000001 Mg dan ma = 1.5 Mg. Pekali pemulihan di antara kereta A dan B ialah e = 0.8.] (i) Determine the loss of energy due to the collision between both cars. [Tentukan tenaga yang hilang akibat perlanggaran kedua-dua kereta.) (ii) If the loss of energy in (i) need to be increase, suggest suitable parameter that should be change on the system. Justify your answer…
An Earthball of mass 13.6 kg is rolling forward at 5.29 m/s when pushed by two students. A senior pushes the ball from behind, in the direction the ball is rolling, with a force of 207 N for 0.84 s, while a freshman pushes with a different force for a different amount of time, perhaps in a different direction. After the two pushes are completed, the Earthball is rolling forward at 9.85 m/s. What impulse did the freshman give to the Earthball? Include units in your answer.
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2. A 20-g bullet is travelling at 400 m/s when it becomes embedded in a 3-kg stationary block. The coefficient of kinetic friction between the block and ground is 0.2 Use the principle of linear momentum and impulse to determine the velocity of system immediately after the bullet becomes embedded. Then, use the work-energy theorem to determine the distance that the block will slide before it stops. The frictional force between the block and surface can be neglected during the initial impact but cannot be neglected when analyzing the sliding distance of the block. #A
P.1) Three balls (A, B, and C) of equal mass m are projected toward each other in the horizontal plane such that they all impact simultaneously with the given velocities: vA = 10i m/s, vg = -5i m/s, and vc = (-11i – 9j) m/s. If the three balls stick together upon collision, what is the system's velocity just after impact? j VA VB -- |
Please use the momentum theorem to solve this problem
▼ Part A Two blocks, each of mass m = 7.60 kg, are connected by a massless rope and start sliding down a slope of incline 0= 40.0° at t = 0.000 s. The slope's top portion is a rough surface whose coefficient of kinetic friction is μ = 0.350. At a distance d = 1.40 m from block A's initial position the slope becomes frictionless. (Figure 1)What is the velocity of the blocks when block A reaches this frictional transition point? Assume that the blocks' width is negligible. Express your answer numerically in meters per second to four significant figures. ► View Available Hint(s) V= ||| ΑΣΦ Submit Part B Complete previous part(s) Part C Complete previous part(s) H Provide Feedback r O vec ? m/s C Review U ENG ☎4x Next > 7:49 PM 7/12/2022
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B4
A5.2 kg object, initially at rest, is acted on by a net external force in a straight line described by F = Fo - (1-e-0.2 ) where F = 16 N and t is in %D seconds. What is the magnitude of the momentum of the object after 9.2 s has elapsed fromt= 0? Number Units What is the work of the net external force over the same duration? Number Units

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