Question

A car traveling at a speed 126km/h . How much distance does it cover after 90 minutes? with proper explanation​

Answer 1

Answer:

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Step-by-step explanation:

As it is given speed of car is 120km/hr, which means it travels 120kms in 1 hr, i.e 120 kms in 60 min. Therefore it moves 2 kms in 1 min. Therefore in 3.5min it travels 3.5×2kms which is 7kms. Therefore it travels 7kms in 3.5 min.

Note:one should consider given conditions for this solution. Car should travel linearly. And it should travel with constant velocity i.e 2kms in 1 min, else this solution may not be correct and in that case we can't find distance covered in 3.5 mins.

Answer 2

Answer:

183 km

Step-by-step explanation:

speed=126km/h

time=1hr 30min=1hr 30/min = 1hr 1/2min

speed = dist/time

dist =speed * time

dist = 126*1and a1/2

dist= 126*3/2

dist =63*3

dist = 183km

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