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5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles
A runner runs halfway around a circular path of radius 10 m. What is the displacement of the jogger?
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 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. What is the maximum height reached by the projectile?
The driver of a motorboat that can move at 10 m/s in still water wishes to travel directly across a river 1.6 km wide in which the current flows at 5.0 m/s. How long will it take to cross the river?