I am pretty sure it is C.
Answer: 3 A
Explanation:
According to<u> Ohm's law</u>:
Where:
is the voltage
is the resistance of the resistor
is the electric current (the value we want to find)
Isolating :
Finally:
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Heat = mass CH3OH x spht CH3OH x delta T
<span>= (50 g)(2.51 J/g K)(40 K) = 5020 J </span>
<span>Note that delta T is the same for K as for C.</span>
The correct answer is the energy of the sun
Mass of the block = 2/g = 2/9.8 =0.204 kg.
Frictional force = mass * acceleration
a = F/ m where F is the frictional force = 2.4
a = 2.4/ 0.204 = 11.76 m/s^2