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5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles
If the acceleration of an object is always directed perpendicular to its velocity:
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?
If the acceleration vector of an object is directed anti-parallel to the velocity vector:
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 long is the jumper in the air before returning to the Earth?