DIRECTION: CHOOSE THE CORRECT ANSWER F1.A force of 5i+j+ 2k N displaced a body from a position of i+j+km to 2i +4j+ 6k m. How muchwork is done to displace it through this position?(A)18J(B)6J(C)12J(D)0J2.Calculate the work done when a force of 2i+5j+ 5k N acts on a body when it produces adisplacement of 2i + 4j+ 6k m.(A)54J(B)24J(C)50J(D)18J3. A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right anglesto each other. The kinetic energy of the body at the end of 10 sec is(A)100 J(B) 300 J(D) 125 J4) Consider an 80 kg man and 320 kg horse both running along a road with the same kinetic energy.(C)50 JThe man must run(A) with the same speed as the horse.(CSS) 4 times as fast as the horse.(B) twice as fast as the horse.(D) 16 times as fast as the horse.5)particle A is travelling at a velocity of []m/s. It collides with particle B which has a velocity ofJm/s. The particle move together. The mass of particle A is 2kg and the mass of particle B is 3kg.8.Find the velocity of the combined particles after the collision.8.8.44-6)Which of the following is NOT true about conservation of linear momentum.(A)Im/s(B) Im/s(C) m/s4250(D)L16420+16m/s(A)The impulse becomes to zero.(C)The total momentum is constant.(B)The change in momentum is constant.(D)The change in momentum is zero7)Two billiard balls of equal mass undergo a perfectly elastic head- on collision. If the speed of one ballwas initially 2.00m/s, and of the other 3.00m/s in the opposite direction, what will be their speedsVI & V2 after the collision respectively?(A)2m/s &-3m/s(B) -3m/s & 2m/s(C)2m/s & 3m/s(D)-3m/s & -2m/sDate of Submission : 26/08/2013E.CBy Yishak Paulos

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Answered: 1.A force of Si + j+ 2k N displaced a…

1.A force of Si + j+ 2k N displaced a body from a position of i+j+km to 2i+4j+ 6k m. How much work is done to displace it through this position? (A)18J (B)6J (C)12J (D)0J uces a

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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12. A force is if the work it does around any closed path is zero.
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wered rked out of A body moving along the x axis is acted upon by a force F, that varies with x as shown. How much work is done by this force as the object moves from x = 1 m to x = 8 m in Jouls Flag question F, (N) 4 a. 30 x (m) b. -26 2--4 c. -30 -4 d. 26 -8 O 1. a O 2. b O 3. d