A TV tower has a height of $$70$$ m. If the average population density around the tower is $$1000$$ $$km-2$$ , the population covered by the TV tower is (Radius$$ of Earth is $$6400$$ km $$)

Question

A TV tower has a height of $$70$$ m. If the average population density around the tower is  $$1000$$ $$km-2$$ ,  the population covered by the TV tower is (Radius$$ of Earth is $$6400$$ km $$)

Infinity Learn · Accepted Answer

$$R=6400km$$ Population density $$=1000km-2$$ coverage $$range=d$$ $$=2Rh$$ $$Population=$$ Population density × π$$d2$$   , Where   $$d=2Rh$$                    $$=$$ Population density × π$$(2Rh)2$$                              $$=$$ Population density × π$$2Rh$$           $$=1000$$×$$10-6$$×$$3.14$$×$$2$$×$$6400$$×$$103$$×$$70$$                    $$=$$ $$2.813$$×$$106lac$$

A TV tower has a height of 70 m. If the average population density around the tower is $1000 k m^{- 2}$ , the population covered by the TV tower is (Radius of Earth is 6400 km )

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A TV tower has a height of 70 m. If the average population density around the tower is 1000 km-2 , the population covered by the TV tower is (Radius of Earth is 6400 km )

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A TV tower has a height of 70 m. If the average population density around the tower is $1000 k m^{- 2}$ , the population covered by the TV tower is (Radius of Earth is 6400 km )