Chose the correct answer Q1/ Choose the correct answer:1- The coordinate of an object is given as a function of time by x-7t-3t, where x is in meters and t is inseconds. Its average velocity over the interval from t = 0 tot=4 s isA) (5 m/s).B) (-5 m/s).C) (-11 m/s).D) (-14 m/s).2- For a projectileA) (ay = -g and ax =0)B) (ay =0 and ag =- g)C) (ay =g and a, = -g)D) (ay = -g and a, = -g)3- The mass is a measure of the tendency of an object to resist changes in itsA) circularmotion.B) translationalC) rotationalD) all previous choices.4- A particle undergoes a displacement given by the vector Ar= 2i m as a force F=4jN acts on it. Thework done by this force is ---------.A) (8 J)B) (-8 J)C) (2 J)D) (0 J)5- = la is the rotational analog of Newton's --law,A) firstB) secondC) thirdD) conservation of energy6- A force is said to be conservative if the work done by it acting on a particle moving between two pointsis -----A) depend on the path.C) independent on the initial and final position. D) depend on the initial and final position.B) zero for unclosed path7- The centripetal accelerationA) increases with the radius of the circle.B) decreases with the radius of the circle.C) decreases with the speed of the particle.D) equal to v/r.8- When a rigid object is rotating about a fixed axis, every particle on the object rotates through the samein a given time interval.B) speedA) distanceC) accelerationD) angular speed9- The collision is clastic if the --------.A) kinetic energy and momentum are conservedC) momentum is conservedB) momentum is not conservedD) kinetic energy is not conserved and momentum is conserved

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1- The coordinate of an object is given as a function of time by x-7t-3t, where x is in meters and t is in seconds. Its average velocity over the interval from t = 0 tot=4 s is A) (5 m/s). B) (-5 m/s). C) (-11 m/s). D) (-14 m/s).

1- The coordinate of an object is given as a function of time by x-7t-3t, where x is in meters and t is in seconds. Its average velocity over the interval from t = 0 tot=4 s is A) (5 m/s). B) (-5 m/s). C) (-11 m/s). D) (-14 m/s).

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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