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A projectile is fired at an angle of 51 ∘ above the horizontal at a speed...

A projectile is fired at an angle of 51 ∘ above the horizontal at a speed of 108 m/s . Part A Calculate the magnitude of its velocity at t=5s. Express your answer in meters per second to two significant figures. Part B Calculate the direction of its velocity (above the horizontal) at t=5s. Express your answer in degrees to two significant figures.

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