Question

A vehicle takes 4 hours to complete a journey at a speed of 54 km/h.How long will another vehicle take to complete the same journey of its speed is 10 m/s?​

Answer 1

6 hrs will be taken.

Step-by-step explanation:

Case 1

Total time taken = 4 hrs.

Speed of the vehicle = 54 km/h

we know,

Distance = speed × time

= 54km/h × 4 h

= 216 km.

Case 2

Distance = Distance of the first case = 216 km

Speed of the vehicle = 10 m/s

Since, the speed is given in m/s therefore, we have to convert the speed in Km/h .

Therefore, Speed in km/h = 10×18/5 = 36 km/h

Time taken = Distance/speed

= 216 km ÷ 36 km/h

= 6 h

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Answer 2

GIVEN :-

• A vehicle takes 4 hours to complete a journey at a speed of 54 km/h.
• An another vehicle complete the same journey with the speed of of 10 m/s.

TO FIND :-

• Time taken by the another vehicle =?

SOLUTION :-

☞ For First vehicle.

• Time = 4 hours.

• Speed = 54 km/h

☞ Distance = Speed × Time

= 54 km/h × 4 hour

= 216 km

So Distance covered by first vehicle is 216 km.

☞ For Second vehicle.

• Speed = 10 m/s

= 10 × (3600/1000)

= 36 km/h

• Distance = 216 km

☞ Time = Distance/speed

= (216 /36) h

= 6 hours

Hence time taken by another vehicle to complete the same distance is 6 hours.