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5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 200 above the horizontal. How far does the jumper jump?
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?
A butterfly moves with a speed of 12.0 m/s. The x component of its velocity is 8.00 m/s. The angle between the direction of its motion and the x axis must be
A plane has an air speed of 200 m/s due North, and is in a wind of 50.0 m/s to the West. The plane's speed relative to the ground is:
A plane flying horizontally at a speed of 50.0 m/s and at an elevation of 160 m drops a package. Two seconds later it drops a second package. How far apart will the two packages land on the ground?