1.

An aeroplane executes a horizontalloop at a speed of 720 kmph with its wings banked at 45^(@). What is the radius of the loop ? Take g=10ms^(-1).

Answer»

4 km
4.5 km
7.2 km
2km

Solution :`v = 720km//hr = 200 m//s`
`TAN theta = (v^(2))/(RG)` or `R = (v^(2))/(g XX tan theta) = (200^(2))/(10 xx 1) = 4 km`


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