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5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles

A bomb is released from an aircraft which is travelling horizontally at a constant velocity of 200 m s⁻¹ at a height of 1200 m above the ground. What is the speed of the bomb when it hits the ground?

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?
A ball is thrown with a velocity of 20 m/s at an angle of 600 above the horizontal. What is the horizontal component of its instantaneous velocity at the exact top of its trajectory?
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 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