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Why Gravitational Acceleration g is 9.8 m/s² ? [Calculation]

Earth and other planets attract objects towards itself with some force which depends on the mass and the distance between them. In most of the cases, we say that the object is being attracted towards the planet because of the size and the mass of the object is negligible compared to that of the planet.

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Calculation

Why Gravitational Acceleration g is 9.8 m/s² ? [Calculation]

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- Find the value of (sin 30° + tan 45° - cosec 60°) / (sec 30° + cos 60° + cot 45°) and (5 cos² 60° + 4 sec² 30° - tan² 45°) / (sin² 30° + cos² 30°) | Trigonometry Numerical
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