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The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.
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The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?
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Physics, 22.06.2019 06:30
=force × distance a. work b. velocity c. pressure d. momentum
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Will young's modulus of elasticity of a material changes if load changing on it is double ?...
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