Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 28 (25 MCQs)

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1. Which of the following quantities is PATH INDEPENDENT?
2. A man drives his car at 20 m/s for 3 hours how far did he travel in KM
3. What is the shortest distance between the start and end point of a journey?
4. The position of an object is given by the equation x = 3.0 t2 + 1.5 t + 4.5, where x is in meters and t is in seconds. What is the instantaneous acceleration of the object at t = 3.0 s?
5. What values are always known for a free falling object?
6. The unit of acceleration is
7. What is the formula for displacement?
8. A wheel is rotating at $10\, \text{rad/s}$ $5\, \text{s}$
9. True or False:Distance is calculated by final position minus initial position.
10. One possible unit of speed is
11. On the moon, a feather dropped from rest from a height of 2 meters reaches the surface in 1.57 seconds. What is the acceleration of gravity on the moon?
12. A ball is thrown horizontally at 10 m/s. The ball hits the ground 5 s later. From what height was the ball thrown?
13. An object free-falls from rest a distance D. How far will the object fall from rest in twice the elapsed time?
14. A person drops a stone down a well and hears the echo 8.9 s later. If it takes 0.9 s for the echo to travel up the well, approximately how deep is the well?
15. Two cars are 5, 000 meters apart. The first car is moving in a northern direction with a velocity of 15 m/s and the second car is moving in southern direction with a velocity of 12 m/s. Use the relative velocity to find the amount of time it would take for the two cars to pass each other.
16. Which of the following is always positive?
17. Which statement distinguishes direction from magnitude in vectors?
18. A greyhound of mass 31-kg is moving at a speed of 20 m/s along a horizontal, frictionless surface. The puppers collides and sticks to a small poodle with a 6.5-kg mass moving in the same direction at 5 m/s. What is the final velocity of the greyhound-poodle system after the collision?
19. T
20. If the vectors are in different directions we can
21. In Newtonian physics, ..... is any motion of a body where gravity is the only force acting upon it.
22. A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0$^\circ$ above the horizontal. The ball leaves her hand 1.00 m above the ground. How far from where the child is standing does the ball hit the ground?
23. An object can be moving for 10 seconds and still have zero displacement.
24. Area beneath a v-t graph
25. Given the angular velocity ( $\omega$ $v$