question_answer

The maximum range of a bullet fired form a toy pistol mounted on a cart at rest is \[{{\operatorname{R}}_{0}}=40\] m. What will be the acute angle of inclination of the pistol for maximum range when the car is moving in the direction of firing with uniform velocity \[\upsilon =20\] m/s, on a horizontal surface? [JEE ONLINE 25-04-2013]             (g = 10 m/\[\text{m/}{{\text{s}}^{\text{2}}}\])

A)             \[\text{3}{{\text{0}}^{\text{0}}}\]

B) \[\text{6}{{\text{0}}^{\text{0}}}\]

C)             \[\text{7}{{\text{5}}^{\text{0}}}\]

D) \[\text{4}{{\text{5}}^{\text{0}}}\]