A projectile is launched at a 30° angle above the horizontal. Ignore air resista

Question

A projectile is launched at a 30° angle above the horizontal. Ignore air resistance. The projectile's acceleration is greatest A. at a point between the launch point and the high point of the trajectory. B. at the high point of the trajectory C. at a point between the high point of the trajectory and where it hits the ground. D. misleading question-the acceleration is the same (but nonzero) at all points along the trajectory E. misleading question-the acceleration is zero at all points along the trajectory

Explanation / Answer

1)

acceleration is always equal to 9.8 m/s^2 and act in downward direction on surface of earth

So, the correct option is D

Answer: D

2)

Magnitude of quantity and direction must be known to determine a vector

Answer: magnitude and direction

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