HW1 - homework 01 RAHMAN, TARIQUE Due: Jan 25 2008, 3:00 am...

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homework 01 – RAHMAN, TARIQUE – Due: Jan 25 2008, 3:00 am 1 Question 1, chap 1, sect 6. part 1 of 1 10 points A certain force is given by the equation F = KML 2 /T 4 , where M is a mass, L is a length, T is a time and where K is a constant. What are units of the constant K ? 1. [ K ] = T 2 /L 2. [ K ] = T 2 /ML 3. [ K ] = L/T 2 4. [ K ] = T 6 /M 2 L 2 5. [ K ] = M 2 L 2 /T 6 6. [ K ] = ML/T 2 Question 2, chap 4, sect 1. part 1 of 1 10 points A ball rolling up a hill has vector velocities vV 1 and vV 2 at times t 1 and t 2 , respectively, as shown in the Fgure. v 1 initial v 2 final Which vector diagram below most accu- rately depicts the direction of the ball’s aver- age acceleration over the interval? 1. 2. 3. 4. 5. 6. 7. Zero vector. 8. 9. Question 3, chap 2, sect 5. part 1 of 1 10 points Two particles are at the same point at the same time, initially moving in the same di- rection. Particle A has an initial velocity of 6 . 4 m / s and an acceleration of 3 m / s 2 . Parti-
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HW1 - homework 01 RAHMAN, TARIQUE Due: Jan 25 2008, 3:00 am...

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