A body projected at `45^(@)` with a velocity of "20m/s" has a range of 10m.The decrease in range due to air resistance is `g=10ms^(-2)`

A body projected at 45^@ with a velocity of 20 m/s has a range of 10m. The decrease in range due to air resistance is (g = 10ms^(-1))

A body is projected at 45^(@) with a velocity of 20ms^(-1) has a range of 30m .The decrease in range due to air resistance is? (g=10ms^(-2))

A body is projected with a velocity of 30m/s to have to horizontal range of 45m. Find the angle of projection .

A body is projected with a velocity of 30m/s to have to horizontal range of 45m. Find the angle of projection .