Question

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4.) A Car Moves with a speed of 40 km/h for 15 minutes.Find the total distance covered by the Car in these 30 minutes..

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Answer 1

Answer:

A Car Moves with a speed of 40 km/h for 15 minutes.Find the total distance covered by the Car in these 30 minutes..

Explanation:

For the first part of journey,

Speed=40km/h and time=15min=1/4 hour

Using ,speed=distance/time

Distance=40 x 1/4=10km

For the second part of journey,

Speed=60km/h and time=15 min=1/4 hour

Then distance=60 x 1/4=15 km

Total distance travelled in whole journey=10+15=25 km

Answer 2

Answer:

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Explanation:

for 1st 15 mins

dist. covered = 40* 15/60 = 10 km

for next 15 mins

dist. covered = 60*15/60 = 15 km

:. the total distance covered in 30 mins = 15+10 km = 25 km.

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