Q. 18. Using matrix method solve the following system of linear equations: [pic] SECTION - B Q. 19. In any [pic]prove that cos [pic]with the help of vectors. Q. 22. A particle describes 650 m in 10 seconds and its velocity at the end of that is 80 m/sec. find its initial velocity and the acceleration. Q. 25. Find the equation of the plane passing through the points [pic]and perpendicular to the plane [pic] SECTION - C Q. 20. A bill for Rs. 1‚50‚000 was drawn on 14 th may‚2003 for 5 months
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UNIVERSITY ENTRANCE EXAMINATION PHYSICS Duration : 2 hours Please read the following instructions carefully. 1. This paper is made up of 50 Multiple-Choice questions and comprises ELEVEN (11) printed pages. 2. Do not write on the question paper. 3. Answer all questions and indicate your answers on the answer sheet provided. Marks will not be deducted for wrong answers. 4. Do not take any paper‚ including the question paper or unused answer sheets‚ out of the examination
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Product Testing & Verification Coursework Energy Absorbing Impact Zone Group Number: 3A Group Members: SBC-11-1021 673654 EE Da Wei (David) SBC-11-1022 673666 EE Zhang Minhui (Park) SBC-11-1028 673661 EE Wu Yifan (Jason) SBC-11-1027 673664 EE Xiang Qi (Aaron) Submission Date: Apr. 18th 2014 Contents Introduction………..…..………………...……………………...…….....3 Mind Map …………………………..………………………...……..…….6 Process Map ……………………..……………………………………..…7 Four Original Designs………..………………..…...………
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to the air-cart by a string and hung over pulley with the other end attached to an air-cart resting on a frictionless surface. The study of the motion of the system of masses will be used to determine the velocity of the masses from an analysis of the displacement versus time data. This velocity will then be used to calculate the acceleration of the system of masses and therefore the acceleration due to gravity. A spark timer will mark the motion at a frequency of 10 Hz (10 dots/s) on a strip of paper
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becomes taut. Calculate the impulse in the string when it jerks tight. (3 marks) (2 marks) 2. Particle A has velocity (8i – 3j) m s-1 and particle B has velocity (15i – 8j) m s-1 where i and j are perpendicular‚ horizontal unit vectors. (a) (b) (c) Find the speed of B. Find the velocity of B relative to A. (2 marks) (2 marks) Find the acute angle between the relative velocity found in part (b) and the vector i‚ giving your answer in degrees correct to 1 decimal place. (2 marks) 3. A
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Exam version: ## PHYS1112 General Physics I spring 2013‚ midterm Examination Name: _____________________________ 23 March 2013 Student ID:_________________________ Seat No.: ___________________________ Declaration of Academic Integrity: I confirm that I have answered the questions using only materials specifically approved for use in this examination‚ that all the answers are my own work‚ and that I have not received any assistance during the examination. Signature: _______________
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j D) 34.0 E) 1028 ^ ^ ^ ^ 5) ^ ^ 6) An object has a position given by r = [2.0 m + (5.0 m/s)t]i + [3.0 m - (1.0 m/s 2)t2 ]j. Determine the velocity of the object as a function of time. A) 5.4 m/s ^ ^ B) (5.0 m/s)i - [(1.0 m/s2 )t]j 6) C) 5.1 m/s D) (5.0 m/s)i - (1.0 m/s2 )j ^ ^ E) (5.0 m/s)i - [(2.0 m/s2 )t]j 7) An object has a velocity v 0 (t) = (3.00 m/s)i + (1.00 m/s)j at time t = 0.00 s. The acceleration of the object is a (t) = (2.00 m/s3 )ti + (1.00 m/s4 )t2j. If the object
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without working will gain no credit. Written by Shaun Armstrong & Chris Huffer Solomon Press These sheets may be copied for use solely by the purchaser’s institute. 1. A constant force‚ F‚ acts on a particle‚ P‚ of mass 5 kg causing its velocity to change from ( – 2i + j) m s-1 to (4i – 7j) m s-1 in 2 seconds. (a) (b) Find‚ in the form ai + bj‚ the acceleration of P. (2 marks) Show that the magnitude of F is 25 N and find‚ to the nearest degree‚ the acute angle between the line of action
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So basically Uniform‚ or constant‚ acceleration is a type of motion in which the velocity of an object changes equal amounts in equal time periods. Theoretical Background Anobject with a mass (m) travels with uniform velocity and uniform acceleration i.e. an object moving with a uniform or constant velocity or acceleration. The purpose of this experiment is to study the relationships between position‚ velocity‚ and acceleration in linear motion when the object moves with a constant acceleration
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PHYSICS 1 FAP0015 Questions & Answers to Physics I Assignments Chapter 1 11. What‚ roughly‚ is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 2.86 ± 0.09 m? Answer: To find the approximate uncertainty in the volume‚ calculate the volume for the specified radius‚ the minimum radius‚ and the maximum radius. Subtract the extreme volumes. The uncertainty in the volume is then half this variation in volume. 3 Vspecified = 4 π rspecified = 4 π ( 2.86 m ) = 9
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