1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- A, = 3 ,Ay = -2 b- B, = -2 By = 2

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180%
P 7:35
stc ksa ll.
Second H.W.pdf
1. Draw and label the vector with these components. Then determine the magnitude and
angle of the vector.
a- A, = 3 ,A, = -2
b- By = -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 + 5 t + 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 N force to push his car along a road for 1000 m. It takes him500 s
to do this
a- Calculate the amount of work that Ralph did on the car.
b- Calculate the amount of power that he generated.
Transcribed Image Text:180% P 7:35 stc ksa ll. Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- A, = 3 ,A, = -2 b- By = -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 + 5 t + 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 N force to push his car along a road for 1000 m. It takes him500 s to do this a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated.
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