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In his first attempt, a long improve food from this spring board with a speed of 8m/s at 30°C tothe horizontal. He makes a secondattempt with the same speed at 45 °C to the horizabal . Given that the expression for the horizontal range of the projectile is U²sin²tintan/g where all the symbols have their usual meanings, show that he gain a distance of 0.8576m in his second attempt.
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In his first attempt, a long improve food from this spring board with a speed of 8m/s at 30°C tothe...
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