Gun shots are made of lead with a little...

Gun shots are made of lead with a little of arsenic. The function of As is to increase

Range

Power

Brittleness

Strength.

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Two boys simultaneously aim their guns at a bird sitting on a tower. The first boy releases his shot with a speed of 100m/s at an angle of projection of 30^(@) . The second boy is ahead of the first by a distance of 50 m and releases his shot with a speed of 80m/s. How must he aim his gun so that both the shots hit the bird simultaneously ? What is the distance of the foot of the tower from the two boys and the height of the tower ? With what velocities and when do the two shots hit the bird?

Two persons simutaneously aim and fire their guns at a bird sitting on a tree. The first person fires his shot with a speed of 100m//s at an angle of projection of 30^(@) . The second person is ahead of the first by a distance of 50m and fire his shot with a speed of 80m//s . how must he aim his gun so that both the shots hit the bird simultaneously. Calculate the distance of the foot of the frre from two persons and the height of the tree. With what velocities and when do the two shorts hit the bird.

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DINESH PUBLICATION-THE NOBLE GASES-Brain Teasers - 19

Which oxidation state is not shown by carbon in its compounds?
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……….. Is called white graphite
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Which of the following is called Bertheiot's salt?
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Gun shots are made of lead with a little of arsenic. The function of A...
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