10 Questions
| Total Attempts: 275

Rectilinear Motion, Projectile Motion, Circular Motion. Questions adapted from different sources

Questions and Answers

- 1.A particle with initial speed 8m/s moves in a straight line with constant acceleration. If it travels 640m in 40 seconds, its average velocity, final velocity, and acceleration, respectively, are:
- A.
4m/s, 16m/s, 0.0m/s

^{2} - B.
2560m/s, 24m/s, 40m/s

^{2} - C.
16m/s, 24m/s, 0.4m/s

^{2} - D.
24m/s, 2560m/s, 0.4m/s

^{2}

- 2.A bicyclist starts from rest and moves with a constant acceleration of 3 m/s². After 4 seconds, how far has he traveled?
- A.
24 m

- B.
48 m

- C.
12m

- D.
Not enough information

- 3.A car accelerates uniformly and passes checkpoints A and then B. If the distance AB is 40m, determine the car's acceleration given that the time between checkpoints is 4 s and the speed of the car at point A was7. 5 m/s
- A.
30 m/s

- B.
2.5 m/s²

- C.
900.0 m/s²

- D.
1.25 m/s²

- 4.A charged particle in an electric field moves in a straight line with a constant acceleration. If its initial speed was zero and it attained a velocity of 40 km/s by travelling a distance of 2 cm, determine its constant acceleration
- A.
10

^{6}m/s² - B.
4 X 10

^{8}m/s² - C.
400 m/s²

- D.
200 m/s²

- 5.A particle moves such that its position along the x axis at time t is given byx= 5 + 3t -10t² while its position along the y axis is given byy= 12.5 -8t +15t² Determine its initial velocity and the time when its velocity along the x axis is zero.
- A.
(5,12.5) and t=0.267

- B.
(5,12.5) and t=0.0

- C.
(3,-8) and t= 0.267

- D.
(3,-8) and t=0.15

- 6.A bullet is fired horizontally from a gun that is 50.0 m above the flat horizontal ground. If the speed of the bullet at the point of release is 200 m/s, how long does the projectile remain in the air and how far horizontally from the point of release does it land?Take g = 9.8 m/s²
- A.
3.19 s and 639 m

- B.
2.26 s and 452 m

- C.
5.10 s and 1020 m

- D.
10.20 s and 2040 m

- 7.A bullet is fired horizontally from a gun that is 50.0 m above the flat horizontal ground. If the speed of the bullet at the point of release is 200 m/s. What is the magnitude of its velocity as it hits the ground? Take g = 9.8 m/s²
- A.
202.43 m/s

- B.
50 m/s

- C.
200 m/s

- D.
31.262 m/s

- 8.Suppose the radius of the Earth is 6,400km. The acceleration of a person at latitude 60° due to the Earth's rotation is
- A.
0.034 m/s²

- B.
232.7 m/s²

- C.
0.0169 m/s²

- D.
465.4 m/s²

- 9.A stone is attached to a string that is 1.0 m long. A girl whirls the stone at constant speed in a horizontal circle that is 1.5 m above the ground. Suddenly, the string breaks and hits the ground 11 m away from the girl. Determine the centripetal acceleration of the stone before the string broke. Take g=9.8 m/s²
- A.
326.67 m/s²

- B.
425.92 m/s²

- C.
255.32 m/s²

- D.
311.22 m/s²

- 10.Consider an Earth satellite that orbits 700 km above the surface of the Earth. The radius of the Earth is about 6400 km. If the period of this satellite is 100 minutes and assuming its orbit is circular, determine its speed and centripetal acceleration.
- A.
6.702 m/s and 0.007.0 m/s²

- B.
7435.1m/s and 7.8 m/s²

- C.
6702.1 m/s and 7.0 m/s²

- D.
733.0 m/s and 0.77 m/s²

Chapter 2: Describing Motion: Kinematics In One Dimension
Chapter 2: Describing Motion: Kinematics In One Dimension

Kinematics Trivia Quiz: Speed,Velocity, And Acceleration!
Kinematics Trivia Quiz: Speed,Velocity, And Acceleration!