MEDIUM
9th ICSE
IMPORTANT
Earn 100

A truck takes 20 s to move around a circular path of radius 14 m. Calculate: (i) average speed and (ii) magnitude of average velocity. 

Important Questions on Motion in One Dimension

HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 2 - Motion in One Dimension>Self Evaluation Test>Q 12
Consider a body is initially moving with a velocity of 18 km h-1 which starts decelerating at a constant rate of 2 m s-2. Determine the time at which the body becomes stationary. Also find the distance travelled by the body.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 2 - Motion in One Dimension>Self Evaluation Test>Q 13

The velocity versus time graph of a moving object is shown in the given figure. Identify the portions where the acceleration is maximum and where the acceleration is negative. Also find the retardation of the object.

Question Image

MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 2 - Motion in One Dimension>Self Evaluation Test>Q 14
A car travelling at 15 m s-1 takes a U-turn in 15 s without changing its speed. Calculate the average acceleration (in m s-2) of the car.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 2 - Motion in One Dimension>Self Evaluation Test>Q 15
A car travelling at 108 km h-1 has its speed reduced to 36 km h-1 after travelling a distance of 0.2 km. Find the retardation and time taken for this process.