Kinematics  Review

1. What kind of oil drop pattern would a car make if it were moving from left to right with the following motions?  Motion & Distance - Furby
constant acceleration?        constant velocity                 constant deceleration?   

 

2.  A car moves 5 m N and 10m East. What is the displacement of the car? Draw the picture of this movement.

 

 

3. Part I) Draw a distance vs. time plot for each of the following motions:  D vs t Plots Animation

a) Constant + velocity             b) rest            c) constant + speed         d) constant non-zero acceleration

 

Part II) Now show how these motions would look if they were plotted on a V vs t plot.

a) Constant velocity             b) rest            c) constant speed     d) constant non-zero acceleration

 

4.  Plot this data on the grid on the right.

time (second) Velocity (m/s)
0 0
1 2
2 4
3 6
4 6

          

 

Find the distance traveled from t = 0 to t = 3 (by finding the area underneath a speed (or velocity) vs. time plot).

5. A car moving at a speed of 8.0 m/s enters a highway and accelerates at 3.0 m/s2. How fast will the car be moving after it has accelerated for 56 meters?

 

 

6. Measure this line and correctly report this measurement with the appropriate significant digits.____

7. Know the definition of vector and scalar. Know several example of each.

scalar -                                                                     vector -

 

ex)                                                                            ex)

8. Sketch a plot of increasing, decreasing and constant slope. Slopes and Motion Animation

 

9. How do you find the acceleration of an object from a V vs. t plot?

 

10. If an object is moving south and slowing down, what is the direction of the acceleration?

11. A baseball pitcher throws a fastball at 21 meters per second. If the batter is 18 meters from the pitcher, approximately how much time does it take for the ball to reach the batter?

 

 

12. Acceleration is the time-rate change in ________________________

 

13. Name 3 ways an object can accelerate.

 

14.  1 meter =

09/22/2008 

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