The voltage V across a resistor in an electric circuit is the product of the resistance and the current. If the current I (in A) varies with time t (in s) according to the relation I =2.00 +0.05t and the resistance varies with ime according to the relation R= 15.00 -0.50t, find the rate of change of the voltage when t=1,00 s. dV dt (Type an integer or decimal rounded to the nearest thousandth as needed.)

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