Kinematics in One Dimension 
KINEMATICS IN ONE DIMENSION chapter Section 2.1 Displacement
Section 2.2 Speed and Velocity
1. A particle travels along a curved path between two points P and Q as shown. The displacement of the particle does not depend on- Q
(a) The location of Q.
(b) The location of P.
(c) The direction of Q from P. P
(d) The distance traveled from P to Q.
Ans. (d)
2. For which one of the following situations will the path length equal the magnitude of the displacement?
(a) A ball is rolling down an inclined plane.
(b) A jogger is running around a circular path.
(c) A train travels 5 miles east before it stops. It then travels 2 miles west.
(d) A ball rises and falls after being thrown straight up from the earth's surface.
Ans. (a)
3. Which one of the physical quantities listed below is not correctly paired with its SI unit and dimension?
Quantity Unit Dimension
(a) Velocity m/s [L]/ [T]
(b) Path length m [L]
(c) Speed m/s [L]/ [T]
(d) Displacement m/s2 [L]/ [T] 2
Ans. (d)
4. A car travels in a straight line covering a total distance of 90.0 miles in 60.0 minutes. Which one of the following statements concerning this situation is necessarily true?
(a) The velocity of the car is constant.
(b) The average velocity of the car is 90.0 miles per hour in the direction of motion
(c) The first 45 miles must have been covered in 30.0 minutes. (d) The speed of the car must be 90.0 miles per hour throughout the entire trip.
Ans. (b)
5. At time t = 0 s,
Section 2.2 Speed and Velocity
1. A particle travels along a curved path between two points P and Q as shown. The displacement of the particle does not depend on- Q
(a) The location of Q.
(b) The location of P.
(c) The direction of Q from P. P
(d) The distance traveled from P to Q.
Ans. (d)
2. For which one of the following situations will the path length equal the magnitude of the displacement?
(a) A ball is rolling down an inclined plane.
(b) A jogger is running around a circular path.
(c) A train travels 5 miles east before it stops. It then travels 2 miles west.
(d) A ball rises and falls after being thrown straight up from the earth's surface.
Ans. (a)
3. Which one of the physical quantities listed below is not correctly paired with its SI unit and dimension?
Quantity Unit Dimension
(a) Velocity m/s [L]/ [T]
(b) Path length m [L]
(c) Speed m/s [L]/ [T]
(d) Displacement m/s2 [L]/ [T] 2
Ans. (d)
4. A car travels in a straight line covering a total distance of 90.0 miles in 60.0 minutes. Which one of the following statements concerning this situation is necessarily true?
(a) The velocity of the car is constant.
(b) The average velocity of the car is 90.0 miles per hour in the direction of motion
(c) The first 45 miles must have been covered in 30.0 minutes. (d) The speed of the car must be 90.0 miles per hour throughout the entire trip.
Ans. (b)
5. At time t = 0 s,