This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx EUROPEAN UNIVERSITY OF LEFKECOM121 ENG131 PHYSICS PHYSICS I MIDTERM EXAMINATION 18 04 2022 18 00 Student No Name Department This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx Solve questions 1 2 and 3 by using information belowTwo vectors are given as A 2i 4j 2k units B 4i 8j 4k units1 Find A B 10 p 2 Find A B 10 p 3 C 2 A B Find C 5p This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx Solve questions 4 5 and 6 by using information below A golf ball is hit in the direction of a 12 metre tree which is 80 metres from the golfer4 Calculate the maximum height that golf ball can reach 10 p 5 Write the velocity vector of the ball at t 2 sec 10 p 6 State is the statement below is correct or not Prove your answer 5 p The golf ball will pass over the tree This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx Use below information for questions 7 and 87 Sketch free body diagram of each mass 10p 8 Calculate the acceleration of the system and the tension on the string 15p This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx 9 A race car accelerates uniformly from 20 m s to 50 m s in 3 seconds Determine the acceleration of the car and the distance traveled 5p 10 An object falls freely from a high building Ignoring air resistance what will its velocity be after 6 seconds of falling 5p This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx For questions 11 to 15 state T if given statement is true state F if given statement is false 2 p each 11 If two objects with mass of 5kg and 3 kg is relased from height of 200 m at the same instant they reach groung at same instant ignore air resistantance 12 The velocity of an object in projectile motion is zero at maximum height 13 According to first law of Newton net force on a stationary object is equal to zero 14 Net force on an accelerating object is non zero 15 All kind of motion on y axis on earth is experiencing gravitational acceleration This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx For questions 15 to 20 put a sign on correct answer 1 p each 16 The position of an object is given by x t 3t2 2t m The instantaneous velocity of the object at t 1 seconds is m s a 8b 10c 7 d None17 The position of an object is given by x t 9t 7 m The instantaneous acceleration of the object at t 1 seconds is m s a 9b 5c 0d None18 Under what condition is average velocity equal to the average of the object s initial and final velocity a If net force on the object is equal to zero b If acceleration of the object is zero c If object is in equilibrium d All of above19 An object is thrown upwards from ground with initial velocity of 20 m s a The object will reach to maximum height approximately in 2 seconds b The object will hit ground in 4 seconds c The object will hit ground with velocity of 20m s d All of above This study source was downloaded by 100000855861822 from CourseHero com on 11 12 2022 14 22 16 GMT 06 00 https www coursehero com file 143019859 MIDTERM ASSIGNMENT e34ee02a79a0f6fd9c45eb68afe87824docx Powered by TCPDF www tcpdf org 20 An object is thrown upwards from ground with a nonzero initial velocity a The acceleration of the object is gravitational acceleration b The acceleration of the object depends on the mass of the object c The acceleration of the object depends on the initial velocity of the object d None of above