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- 1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. IIThe continuity equation satisfied by u = 4xy+y?, v= 6xy+ 3y 10 u= 3x^2-2y^2, v=-6xy .II O u=x-4y, v=y-4x .IIIOGiven: A= 3i-4j B=-5i+ 6j+ 2k. Find a. A x Bb. angle between A and B
- Given 122 + 16y = 19y – 235, solve the equation, y =? please help me with explanation to practice with calculator.Express F as a vector in terms of the unit vectors i, j, and k. Determine the angle between F and the positive y-axis. Assume r, = 25 mm, ry = 50 mm, r; = 140 mm, F = 75 N. Dimensions in millimeters Answers: F= (i i+ i j+ i k) N 8, -1.55 The force R is the resultant of P and Q. Determine Q and the angle 0. 55° Q Fig. P1.55 P = 3 kN X R=2 kN