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A car moves with a speed of 40 km/h for ...

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is:

A

100km

B

25km

C

15km

D

10km

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The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-MOTION AND TIME-EXERCISE
  1. A car moves with a speed of 40 km/h for 15 minutes and then with a spe...

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  2. SI unit of speed is

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  3. Name the unit which is used to express large speeds.

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  4. Name the physical quantity whose SI unit is : (a) m/s " " m// s^(2...

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  5. Which unit of speed will you use to express the speed of an aeroplane ...

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  6. Name the instrument which is used : to record the distance covered b...

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  7. Name the instrument which is used : to record the distance covered b...

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  8. State whether the following statements are true or false : Every obj...

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  9. State whether the following statements are true or false : Speedomet...

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  10. What does the odometer of an automobile measure ?

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  11. State whether the following statements are true or false : The speed...

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  12. State whether the following statements are true or false : Distances...

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  13. State whether the following statements are true or false : The basic...

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  14. State whether the following statements are true or false : The time-...

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  15. Name two types of graphs other than line graphs.

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  16. Which physical quantity was measured by using sundial in ancient times...

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  17. Introduction And Standard Unit Of Measurement

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  18. Name three units of time used in everyday life.

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  19. how many seconds are there in one hour ?

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  20. Name two devices which were used for measuring time in ancient times b...

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  21. Name the device whose periodic motion was used for making clocks till ...

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