1.The image shows the vector addition by method;

Parallelogram tip and origin

2. Calculate the y component of a vector whose displacement is 20 meters and whose direction is north.

3. A car travels from south to north a distance of 30 meters, then travels a distance of 40 meters from west to east. Determine the distance it is from the starting point, that is, the resultant vector 4. Calculate the x component of a vector whose displacement is 22km and whose direction is north.

5.The image shows the vector addition by method;

a.tip and origin

b.Parallelogram

6. is false

7. At an instant t, an object can have zero velocity and nonzero acceleration. (true or false)

8. A ball is thrown upward from the top of a building with a speed of 12 m/s. and after reaching its maximum height, it begins to go down in free fall until it reaches the ground (down on the road). If we take as reference the top of the building: Determine the velocity (vy) of the ball for a time equal to 4

-9.8 m/s

-27.2m/s

9.8 m/s

27. m/s

9. A Bugatti Veyron sports car can accelerate from zero to 60.0 mph in 2.40 seconds. Determine the average acceleration of this car and express it in m/s2

11.2 m/s2

25.0 m/s2

4.50 m/s2

7.25 m/s2

10. A sled starts from rest going down a hill with a constant acceleration of 3 bevelled m over s squared. What speed does it reach after 1.5 seconds?

2 m/s

5 m/s

4.5 m/s

11. A ball is thrown upward from the top of a building with a speed of 12 m/s. and after reaching its maximum height, it begins to go down in free fall until it reaches the ground (below on the road). If we take as reference the top of the building: Determine the position (y) of the ball for a time equal to 4 seconds.

126.4m

-30.4m

28.4m

67.6m

12. A ball is thrown upward from the top of a building with a speed of 12 m/s. and after reaching its maximum height, it begins to go down in free fall until it reaches the ground (down on the road). If we take as reference the top of the building: Determine the time (tymax.) at which the ball reaches its maximum height.

1.48s

1.22s

0.82s

9.8s

13. A police officer detects the passage of a motorcycle at an intersection. At that instant, the motorboat travels at a speed of 20 meters/sec. and accelerates its movement in a constant manner and equal to 5 meters/sec2. At the moment the police detect the motorcycle, it is 6 meters from the intersection. Using the instant of motorboat detection as our reference (initial values):

Determine the speed (vx) of the motorboat in a time of 4 seconds after its detection by the police officer.

4m/s

40m/s

-40m/s

20m/s

14.Cul es el desplazamiento de un coche que viaja por una ruta rectilnea a una velocidad media de 12.5 m/s hacia el norte durante 1,320 segundos?

9.25m

0m

105.6m

16,000m

15. gymnast is thrown vertically upward with an initial velocity of 30 m\s where air resistance is neglected. What will be the speed of the body 2 seconds after it is launched?

10.4 m/s

49.6 m/s

6.67 m/s

15 m/s

16. A sled starts from rest by going down a hill with a constant acceleration of 3 bevelled m over s squared. How far does it travel in 1.5 seconds?

3.38 m/s

9 m

6.75 m

0m

17.A gymnast is thrown vertically upward with an initial velocity of 30 m\s where air resistance is neglected. How long will it take the body to reach the highest point of its trajectory?

6s

-3.06s

3.06s

9.8s

18.A police officer detects the passage of a motorcycle at an intersection. At that instant, the motorboat travels at a speed of 20 meters/sec. and accelerates its movement in a constant manner and equal to 5 meters/sec2. At the moment the police detect the motorcycle, it is 6 meters from the intersection. Using the instant of motorboat detection as our reference (initial values):

Determine the position (x) of the motorboat in a time of 4 seconds after its detection by the police.

140m

246m

126m

146m

19.A ball is thrown upward from the top of a building with a speed of 12 m/s. and after reaching its maximum height, it begins to go down in free fall until it reaches the ground (down on the road). If we take as reference the top of the building: Determine the velocity (vy) of the ball for a time equal to 2 seconds.

9.8m/s

-7.6m/s

-9.8m/s

7.6 m/s

20.The acceleration of a freely falling object toward the ground increases as time passes. (true or false)

21.A ball is thrown upward from the top of a building with a speed of 12 m/s. and after reaching its maximum height, it begins to go down in free fall until it reaches the ground (down on the road). If we take as reference the top of the building:

Determine the position (y) of the ball for a time equal to 2 seconds.

43.6m

33.8m

4.4m

14.2m

22.A sled starts from rest by going down a hill with a constant acceleration of 3 bevelled m over s squared. How far has it traveled until the instant its velocity reaches 40 m/s?

2m

60m

266.67m

6.67m

23. A ball is thrown upward from the top of a building with a speed of 12 m/s. and after reaching its maximum height, it begins to go down in free fall until it reaches the ground (below on the road). If we take as reference the top of the building:

Determine the value of the maximum height (ymax.).

14.69m

7.35m

0.61m

1.22m

24.A police officer detects the passage of a motorcycle at an intersection. At that instant, the motorboat travels at a speed of 20 meters/sec. and accelerates its movement in a constant manner and equal to 5 meters/sec2. At the moment the police detect the motorcycle, it is 6 meters from the intersection. Using the instant of motorboat detection as our reference (initial values):

Determine the time (t) in which the motorboat travels at a speed of 50 meters/sec.

4s

-6s

6s

10s

25. police officer detects the passage of a motorcycle at an intersection. At that instant, the motorboat travels at a speed of 20 meters/sec. and accelerates its movement in a constant manner and equal to 5 meters/sec2. At the moment the police detect the motorcycle, it is 6 meters from the intersection. Using the instant of motorboat detection as our reference (initial values): Determine the position (x) in which the motorboat travels at a speed of 50 meters/sec.

216m

210m

250m

256m

26. Force is a vector. (true or flase)

27. If an airplane engine develops a force of 123609 Newtons forward on the airplane, what is the power (in hp) developed by the engine if the airplane is flying at 112 meters/sec?

27.Calculate the recoil velocity of a 3.23 kg rifle firing a 0.02 kg bullet at a speed of 5.83 m/s.

29. A box has a mass of 28 kg, a force of 5 N is applied to it at an angle of 45, an object moves on a surface 24 m with a coefficient of kinetic friction k = 0.02 and where its initial velocity is equal to 5 meters/sec. in this path: Determine the initial kinetic energy (Ki).