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A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground following a ________

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Important Questions on Kinematics

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A particle starts from origin at t=0 with a velocity of 15 i^ m·s-1 and moved in xy-plane with an acceleration of 15i^+20j^ m·s-2. The y-coordinate of the particle when it has 180 m as its x-coordinate is
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The displacement of a particle moving along x-axis is given by x=8t2+18t. The average acceleration during the interval t1=2s and t2=4s is
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The velocity-time graph of an object is as shown. The displacement during the interval 0 to t4 is

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A particle moving in a gravity free space along horizontal with a velocity 1 m s-1 is subjected to an acceleration 2 i^+4 j^ m s-2. Then the vertical distance covered by the particle by the time it covers a horizontal distance 6 m is
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Two projectiles A and B are projected with the same initial speed. A is launched at an angle ϕ with the horizontal and B at an angle ϕ with the vertical. If A has a range R1 and B has a range R2, then
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A stone is thrown with a velocity of 20 m s-1 at an angle 60° with the horizontal. The speed of the stone when its direction of motion makes 45° with the horizontal is
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A particle moves in X-Y plane with constant acceleration a and is directed along the negative Y-axis. The equation of motion of the particle has the form Y=px-qx2, where p and q? are positive constants. The velocity of the particle at the origin is
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Two projectiles A and B are thrown from the same point with velocities 2v and v respectively. If B was thrown at an angle 45° with the horizontal, find the angle with which A was projected, if it is known that both A and B have equal ranges ?