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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?
If the acceleration vector of an object is directed anti-parallel to the velocity vector:
If a ball is thrown with a velocity of 25 m/s at an angle of 370 above the horizontal, what is the vertical component of the velocity?
A stone is thrown horizontally with an initial speed of 10 m/s from the edge of a cliff. A stop watch measures the stone's trajectory time from the top of the cliff to the bottom to be 4.3 s. What is the height of the cliff?
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?