Question: a projectile is fired from ground level at an angle of 60 degrees above the horizontal with an initial speed of 30m/s. What are the

a projectile is fired from ground level at an angle of 60 degrees above the horizontal with an initial speed of 30m/s. What are the magnitude and direction (relative to horizontal) of its instantaneous velocity at (a) the moment it is fired, (b) the moment it reaches its maximum. height, and (c) the moment before it hits the ground?

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