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Second Law of Motion

ntA stone is ...

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ntA stone is projected from a point on the ground so as to hit a bird on the top of vertical pole of height h and then attain a maximum height 2h above the ground. If at the instant of projection the bird flies away horizontally with a uniform speed and if stone hits the bird while descending the ratio of speed of bird to horizontal speed of the stone is ?n

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Q. A stone is projected from the point of a ground in such a direction so as to hit a bird on the top of a telegraph post of height h and then attain the maximum height 2h above the ground. If at the instant of projection, the bird were to fly away horizontally with a uniform speed find the ratio between the horizontal velocities of the bird and the stone, if the stone still hits the bird while descending:

Q. A stone is projected from the ground in such a direction so as to hit a bird on the top of a telegraph post of height

h

and attains the maximum height of

2 h

above the ground. If at the instant of projection, the bird were to fly away horizontally with a uniform speed, find the ratio between the horizontal velocity of bird and the horizontal component of velocity of stone, if the stone hits the bird while descending.

Q. A stone is projected from the point on the ground in such a direction so as to hit a bird on the top of a telegraph post of height

h

and then attain the maximum height

3 h / 2

above the ground. If at the instant of projection the bird were to fly away horizontally with uniform speed, find the ratio between horizontal velocities of the bird and stone if the stone still hits the bird while descending.

Q. A stone is projected from the point on the ground in such a direction so as to hit a bird on the top of a telegraph post of height

h

and then attain the maximum height

\frac{3 h}{2}

above the ground. If at the instant of projection, the bird were to fly away horizontally with uniform speed, find the ratio between horizontal velocities of the bird and stone if the stone still hits the bird while descending.

Q. A stone is projected from a point on the ground in such a direction as to hit a bird on the top of a telegraph post of height

h

and then attain the maximum height

3 h / 2

above the ground. If at the instant of projection, the bird were to fly away horizontally with uniform speed, find the ratio between the horizontal velocities of the bird and the stone if the stone still hits the bird while descending. Take

\sqrt{3} = 1.73

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