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Areoplane leaves an airpprt and filoes …

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Areoplane leaves an airpprt and filoes due north at a speed of 1000km per hour at the same time another Areoplane leaves the same airport and flied due west at a speed of 1200per hours how for apart will be the two planes after 1.5 hours

Posted by Astha Pathak 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 6 years, 3 months ago

Distance covered by the first plane in 1.5 hours = 1500 km

Distance covered by the second plane in 1.5 hours = 1800 km
The position of the two planes after 1.5 hour journey can be shown by a right triangle and we need to find the hypotenuse to know the aerial distance between them.
Here; h = ? p = 1800 km and b = 1500 km
From Pythagoras theorem;
h2 = p2 + b2Or, h2 = 18002 + 15002= 3240000 + 2250000 = 5490000Or, h = 300√61 km

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