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PROJECTILE:
"When a body is thrown upward making a particular angle 'Q' with the horizontal and moves freely under the action of gravity, it is known as a projectile".
EXAMPLES:
(i) A thrown base ball.
(ii) A fired missile.
(iii) A bullet fired from a gun.
What do you mean by spontaneous process? Give examples. What is path and state functions? Give examples.
Q. What is the longest lasting synthetic periodic element? Answer:- A excellent candidate would be curium 247 (247Cm) which has a half-life of 1.56 × 107 year
Write a mathematical expression for deviation produced by a thin prism and illustrate the terms.
At what angle should a body be projected with a given velocity 24m/s just to pass over the obstacle 14m high at a given distance of 24m. Solution: 14=24xtan(θ)-(g*)(24 2
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how is Rainbow is formed in a Environment ?
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Which of the subsequent represent the two kinds of basic (single-concept) electric potential problems?
What is the effect of torque and equilibrium on taps,doors,handlebars and bicycles?
Making a sun-dial To withstand all weather, a sun-dial should be form of metal or painted wood. A cardboard model can be formed for easy experiments. The gnomon which casts
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