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What the amount of heat necessary to raise the temperature of 12.0 g of water from 15.4°C to 93.0°C. The specific heat of water = 4.18 J/g°C? A particle moves in a straight line with velocit v(t) = t^2. How far does the particle move between times t=1 and t=2? Can somebody help me differentiate f(x)= (-x^2-1)/(x^2-1)^2 and get the answer as f''(x)= (2x^3 +6x)/(x^2-1)^3? What is dG/dr if r = r0 and G is the greens function? Aiutoooooo Qualcuno mi può aiutare??