Kinematics II : Quiz 2

 

1. An object initially at rest accelerates at 5 m/s2 until it attains a speed of 30 m/s.What distance does the object move while accelerating ?

30 m

90 m

3 m

600 m

2. An object is allowed to fall freely near the surface of a planet. The object falls 54 m in the first 3.0 s. The acceleration due to gravity on that planet is

6.0 m/s2

12 m/s2

27 m/s2

108 m/s2

3. How far will a freely falling object, initially at rest, fall in 2.4 s ?

6.0 m

12 m

23 m

28 m

4. A body falls freely from rest near the surface of the Earth. The distance the body falls in 2.00 s is

2.3 m

7.1 m

12 m

20. m

5. Starting from rest, how far can a 2.00 kg mass fall freely in 1.00 s ?

4.90 m

2.00 m

9.80 m

19.6 m

6. Starting from rest, an object slides freely down an inclined plane in 2.0 s with an acceleration of 5.0 m/s2. What is the length of the plane ?

10. m

5.0 m

25 m

100 m

7. A car accelerates uniformly from rest at 3.2 m/s2. What will be its speed when it has traveled a distance of 40. m ?

256 m/s

16 m/s

28 m/s

8 m/s

8. A stone is dropped from a bridge 45 m above the surface of a river. Approximately how many seconds does the stone take to reach the water's surface ?

1.0 s

10. s

3.0 s

22 s

9. A race car traveling at 10. m/s accelerates at the rate of 1.5 m/s2 while traveling a distance of 600. m. What is the final speed of the race car ?

1900 m/s

910 m/s

150 m/s

44 m/s

10. A rock falls freely from rest from the surface of a planet where the acceleration due to gravity is 4.0 m/s2. What is the speed of this rock after it falls 32 m ?

8.0 m/s

16 m/s

25 m/s

32 m/s

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Correct ! Return

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Incorrect..try again Return