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The given graph describes the distances of a car from a city X at different times when it is travelling from City X to City Y, which are 300 km apart. Study the graph and answer the following:
(i) What information is given on the two axes?
(ii) From where and at what time did the car begin its journey?
(iii) How far did the car go in the first hours?
(iv) Did the car stop for some duration at any place? Justify your answer
(v) Was the speed same during the first three hours? How do you know it?
(vi) When did the car reach City Y?

Answer

Step by step text solution for The given graph describes the distances of a car from a city X at different times when it is travelling from City X to City Y, which are 300 km apart. Study the graph and answer the following: (i) What information is given on the two axes? (ii) From where and at what time did the car begin its journey? (iii) How far did the car go in the first hours? (iv) Did the car stop for some duration at any place? Justify your answer (v) Was the speed same during the first three hours? How do you know it? (vi) When did the car reach City Y? by MATHS experts to help you in doubts & scoring excellent marks in Class 8 exams.

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The given graph (Fig 15.8) describes the distances of a car from a city P at different times when it is travelling from City P to City Q, which are 350 km apart. Study the graph and answer the following: (i) What information is given on the two axes? (ii) From where and when did the car begin its journey? (iii) How far did the car go in the first hour? (iv) How far did the car go during (i) the 2nd hour? (ii) the 3rd hour? (v) Was the speed same during the first three hours? How do you know it? (vi) Did the car stop for some duration at any place? Justify your answer. (vii) When did the car reach City Q?

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Knowledge Check

  • The velocity time graph of the motion of a car is given here.

    A
    The distance travelled by the car in the first six seconds is 150 m.
    B
    The deceleration of the car during the last two seconds are `-15 m/s^(2)`.
    C
    The distance travelled by the car in the first six second is 220 m.
    D
    The deceleration of the car during the last two second is `-20 m/s^(2)`

  • The distance x travelled by the car in above problem in time t is given by -

    A
    `x = (t^(2))/(2) ((alpha beta)/(alpha - beta))`
    B
    ` x = t^(2) ((alpha beta)/(alpha + beta))`
    C
    `x = t^(2) ((alpha + beta)/(alpha - beta))`
    D
    `x = (t^(2))/(2) ((alpha beta)/(alpha + beta))`

  • The distance between city A and city B is 217.352 km. A man travelling from city A to city B covers a distance of 108.178 km. How much more distance he has to cover?

    A
    111.226km
    B
    109.174 km
    C
    109.147 km
    D
    325.53km

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