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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-REST AND MOTION : KINEMATICS-Exercises
  1. A particle starts from the origin, goes along the X-axis to the point ...

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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. A boy takes 2 second to reach the maximum speed of 18 km/h from rest....

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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-coordinates 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 in a concrete wall and penetr...

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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 second to apply the brakes (reaction time). If he ...

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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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