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5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles
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 projectile is launched with an initial velocity of 60.0 m/s at an angle of 30.00 above the horizontal. How far does it travel?
A boat, whose speed in still water is 8.0 m/s, is directed across a river with a current of 6.0 m/s. What is the speed of the boat as it crosses the river?
A runner runs halfway around a circular path of radius 10 m. What is the displacement of the jogger?
When a football in a field goal attempt reaches its maximum height, how does its speed compare to its initial speed?