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When a person leaves his home for sights...

When a person leaves his home for sightseeing by his car, the meter reads 12352 km. When he returns home after two hours the reading is 12416 km. A. What is the average speed of the car during this period? B. What is the average velocity?

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The correct Answer is:
A, B, C
a. Total distance covered `=12416-12352
= 64 km, in 2 hours
` :. Speed = 64/2=32km/h`
b. As he returns to his house, the displacement is zero.,
`:. Velocity =(Displacement/Time)
=0`
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HC VERMA ENGLISH-REST AND MOTION : KINEMATICS-Exercises
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  2. It is 260 km from Patna to Ranchi by air and 320 km by road.an aeropla...

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  3. When a person leaves his home for sightseeing by his car, the meter re...

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  4. An athelete takes 2.0 s to reach his maximum speed of 18.0 km/h. What ...

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  5. The speed of a car as a function of time is shown in figure. Fin...

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  6. The acceleration of a cart started at t=0 varies with time as shown in...

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  7. figure shows the graph of velocity versus tie for a particle going a...

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  8. Figure shows the graph of the x-coordinaste of a particle going along ...

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  9. From the velocity time plot shown in figure find the distance travelle...

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  10. Figure shows x-t graph of a particle. Find the Time T such that the av...

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  11. A particle starts from a point A and travels along the solid curve sho...

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  12. An object having a velocity 4.0 m/s is accelerated at the rate of 1.2 ...

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  13. A person travelling at 43.2 km/h applies the brake giving a decelerati...

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  14. A train starts from rest and moves with a constant accelerationof 2.0m...

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  15. A bullet travelling with a velocity of 16 m/s penetrates a tree trunk ...

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  16. A bullet going with speed 350 m/s enters concrete wall and penetrates...

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  17. A particle starting from rest moves with constant acceleration. If it ...

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  18. A driver takes 0.20 s to apply the brakes after he sees a need for it....

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  19. A police jeep is chasing a culprit going on a motorbike. The motorbike...

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  20. A car travelling at 60 km/h overtakes another car travelling at 42 km/...

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