# 103_Final_Exam_Trial.pdf - Jordan University of Science...

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Jordan University of Science & Technology First Semester 2014/2015 Physics Department Physics 10 3 Final Exam Name: ……………………………….…… Section: …………… Serial No.:…………….………… Student No.:………………………. Dr.: …………………………… ρ(water)= 1000 kg/m 3 , ρ(air)= 1.2 kg/m 3 , ε 0 = 8.85x10 -12 C 2 / N.m 2 , K=9x10 9 N.m 2 /C 2 , K =10 -7 N.m 2 /A, g = 10 m/s 2 C(light)=3x10 8 m/s, C(sound in air)=340m/s, C(sound in water)=1498m/s, μ 0 = 4π10 -7 Tm/A, I 0 = 10 -12 W/m 2 Q. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Ans. A A D B C D B D C A D A B A A A D A C B C C B D Q1)A cat moves east with a speed of 2 m/s for 4 seconds, then moves toward north with a speed of 3 m/s for 2 seconds. What is the magnitude of its displacement? A) 10 m B) 14 m C) 5 m D) 8 m Q2)A ball falls freely down to the floor from a height of 1 m. How long does it take to reach the floor?

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