. Zara travelled in a train moving at an average speed of 120km/h and covered a distance of 40km towards East. i. Calculate the time taken by the train to cover this distance. __________________________________________________________________________________________________________________________________________________________ ii. She further travelled for 3hours at a speed of 120km/h towards North. Calculate the distance she covered in this time. ________________________________________________________________________________________________________________________________________________________ iii. Zia was driving his truck on the super highway. His speed was recorded by the motorway camera between 6:00am to 8:30am. He covered a distance of 250km during this time. Calculate his average speed between this time duration. ____________________________________________________________________________
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1The person will take 20 minutes to cover a distance of 40 km
2. if she travels for 3 hours at the speed of 120 km per hour the distance covered by her is equal to 360 kilometres
3. the average speed is equal to 100 kilometres per hour
Explanation:
- The amount of distance covered by the body in 1 hour or 60 minutes is equal to 120 kilometre. Hence the time taken by it to cover 40 kilometre is equal to 20 minutes
- if the distance covered is equal to 120 kilometre per hour then the distance covered in 3 hours will be equal to 360 kilometres.
- the time difference between 6:00 a.m. and 8:30 a.m. is 2 and half hours. if the person covers 250 kilometres in two and a half hours then the average speed is 250/2.5 = 100km/hr
To know more,
If A is moving with a speed of 20 m/hr and B is moving with a speed ...
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