Kinematics equations: velocity, acceleration and distance

1. 1A 4.0 kg mass has a velocity of 12 m/s to the WEST. The 4.0 kg mass undergoes an acceleration of 2.0 m/s2 to the WEST for 3.0 sec. What is the velocity of the 4.0 kg mass at the end of the 3.0 sec interval? 

   1. A18 m/s to the WEST
   2. B6.0 m/s to the WEST
   3. C0.0 m/s
   4. D6.0 m/s to the EAST
   5. E18 m/s to the EAST
2. 2A 4.0 kg mass has a velocity of 10 m/s to the EAST. The 4.0 kg mass undergoes an acceleration of 4.0 m/s2 to the WEST for 3.0 sec. What is the velocity of the 4.0 kg mass at the end of the 3.0 sec interval? 

   1. A22 m/s to the WEST
   2. B2.0 m/s to the WEST
   3. C0.0 m/s
   4. D2.0 m/s to the EAST
   5. E22 m/s to the EAST
3. 3A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s2. After 2.0 seconds, the velocity is 

   1. A5.0 m/s.
   2. B7.0 m/s.
   3. C9.0 m/s.
   4. D11 m/s.
   5. E13 m/s.
4. 4A car starts from rest and travels a distance of 100 m in 10 seconds. The acceleration of the car is 

   1. A1.0 m/s2.
   2. B2.0 m/s2.
   3. C2.5 m/s2.
   4. D3.0 m/s2.
   5. E3.5 m/s2.
5. 5The figure shows the graph of vx versus time for an object moving along the x-axis. Solve graphically for the acceleration at t = 8.0 s.

   1. A4.0 m/s2
   2. B5.0 m/s2
   3. C0.5 m/s2
   4. D0.4 m/s2
6. 6A car starts from rest and moves with a constant acceleration of 5.0 m/s2. How long will it take to reach a speed of 45.0 m/s?

   1. A3.0 s
   2. B9.0 s
   3. C5.0 s
   4. D11 s
7. 7Which car has a westward acceleration? 

   1. Aa car moving west at constant speed
   2. Ba car move east and speeding up
   3. Ca car moving east and slowing down
   4. Da car moving west and slowing down
      
8. 8A car traveling at 4.0 m/s has a constant acceleration of 2.0 m/s2. After 3.0 seconds, the distance traveled during the acceleration is 

   1. A21 m.
   2. B17 m.
   3. C10 m.
   4. D13 m.
   5. E9 m.
9. 9A boat is traveling at 4.0 m/s as it passes the starting line of a race. If the boat accelerates at 2.0 m/s2 for 3.0 seconds, then the velocity the boat has after the 3.0 seconds is 

   1. A21 m/s.
   2. B9.0 m/s.
   3. C13 m/s.
   4. D10 m/s.
   5. E4.0 m/s.
10. 10A boat is traveling at 4.0 m/s as it passes the starting line of a race. If the boat accelerates at 1.0 m/s2 for 6.0 seconds, then the distance the boat has traveled after 6.0 seconds is 

    1. A42 m.
    2. B18 m.
    3. C26 m.
    4. D20 m.
    5. E14 m.

11. 11A boat is traveling at 4.0 m/s as it passes the starting line of a race. If the boat accelerates at 1.0 m/s2 for 6.0 seconds, then the average velocity of the boat for the 6.0 seconds is 

    1. A21 m/s.
    2. B9.0 m/s.
    3. C13 m/s.
    4. D10 m/s.
    5. E7.0 m/s.
12. 12A car starts from rest and travels a distance of 100 m in 20 seconds with a constant acceleration. The velocity of the car at the end of the 20-second interval is 

    1. A25 m/s.
       
    2. B20 m/s.
    3. C15 m/s.
    4. D10 m/s.
    5. E5.0 m/s.
13. 13A car starts from rest and travels a distance of 100 m in 15.0 seconds with a constant acceleration. The average velocity of the car for the 15-second interval is 

    1. A24.0 m/s.
    2. B21.0 m/s.
    3. C16.7 m/s.
    4. D13.3 m/s.
    5. E6.67 m/s.
14. 14A runner starts from rest and with an acceleration of 1.0 m/s2 travels a distance of 10 meters. The time it takes the runner to cover the distance is 

    1. A6.3 s.
    2. B5.7 s.
    3. C5.0 s.
    4. D4.5 s.
    5. E3.8 s.
15. 15A runner starts from rest and with an acceleration of 2.0 m/s2 travels a distance of 12 meters. The velocity of the runner at the end of the distance is 

    1. A3.4 m/s.
    2. B5.7 m/s.
    3. C6.9 m/s.
    4. D7.5 m/s.
       
    5. E8.1 m/s.

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Test sobre Sin título, creado por mnahvi7+examtime el 09/09/2015.

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