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Application of Average Speed in Everyday Life

A car moves t...

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A car moves towards north at a speed of 54 km/hfor 1 h. Then it moves eastward with same speedfor same duration. The average speed and velocityof car for complete journey is

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Q. A car moves towards north at a speed of 54 km/h for 1 h. Then it moves eastward with same speed for same duration. The average speed and average velocity of car for complete journey is :

Q. A car travels a distance of

200 km

along a straight road at a speed of

40 km/h

. The car returns back to same location with a speed of

60 km/h

. Find the average speed and the average velocity of the car for the entire journey.

Q. A train moving at a constant velocity of

54 k m / h r

moves eastwards for

30 m i n u t e s,

then due north with the same speed for

40 m i n u t e s .

What is the average velocity of the train during this run?

Q. A train move eastward with speed

72 k m p h

while a car moves towards west with speed of

54 k m p h

. Then magnitude of velocity of car with respect to an observer sitting in train is:

Q. A car starts from rest and accelerates at uniform rate of

5 m / s^{2}

for some time, then moves with contant speed for some time and retards at the same uniform rate and comes to rest. Total time for the journey is 25 sec and average speed for the journey is 20 m/s. How long does the car move with constant speed?

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