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Concepts Of Physics MCQ Edition [Volume 1]

Exam: Concepts Of Physics MCQ Edition [Volume 1]
Subject: Physics
Chapter: Rest and Motion Kinematics

Concepts Of Physics MCQ Edition [Volume 1] · Physics · Rest and Motion Kinematics

When a person departs his home for sightseeing by his car, the...

When a person departs his home for sightseeing by his car, the meter reads

12352 \text{ km}

. Upon returning home after two hours, the reading is

12416 \text{ km}

. What is the average speed of the car during this period in km/h?

Options

A $0$
B $64$
C $16$
D $32$

Correct answer

D. $32$

Step-by-step solution

Initial reading of the meter

= 12352 \text{ km}

Final reading of the meter

= 12416 \text{ km}

Total distance travelled by the car

= 12416 - 12352 = 64 \text{ km}

Total time taken

= 2 \text{ hours}

Average speed

= \dfrac{\text{Total distance}}{\text{Total time}}

Average speed

= \dfrac{64}{2} = 32 \text{ km/h}

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