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Solve the following problem given below:

Problem: Dr. Evil runs out to his car which is parked at the bottom of a hill that is inclined with the horizontal at 20° and blasts up the hill with an acceleration of 6 m/s². James Bond runs out behind Dr. Evil to a mortar that is located conveniently exactly where Dr. Evil's car was parked. The mortar is aimed up the hill and elevated at an angle of 60° with the horizontal and fires a projectile with an initial velocity of 50 m/s.

Part A: To end Dr. Evil's career in crime, how much time must James wait before firing the mortar?

Any help would be greatly appreciated for above problem! Thank you so much!

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