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Q. A plane, diving with constant speed at an angle of 49 ° with the vertical, releases a projectile at an altitude of 570 m. The projectile hits the ground 7.0 s after release. (Assume a coordinate system in which airplane is moving in the positive horizontal direction, and in the negative vertical direction. Neglect air resistance.)

What is the speed of the aircraft?

Q. An underwater diver sees the sun 56 degrees above horizontal. How high is the sun over the horizon to a fisherman in a boat above the diver?

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  • Category:- Physics
  • Reference No.:- M9306139

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