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5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles
A ball thrown horizontally from a point 24 m above the ground, strikes the ground after traveling horizontally a distance of 18 m. With what speed was it thrown?
A rifle bullet is fired at an angle of 300 below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high. How far from the base of the cliff does it strike the level ground below?
Ignoring air resistance, the horizontal component of a projectile's velocity:
A bullet is fired horizontally, and at the same instant a second bullet is dropped from the same height. Ignore air resistance. Compare the times of fall of the two bullets.
If the acceleration of an object is always directed perpendicular to its velocity: