Two charged boxes are 4 meters apart from each other. The red box has a charge of +0.000337 C and is interacting with a blue box which has a charge of -0.0033 C. Determine the force between
the two boxes and indicate if it is an attractive or repulsive force.

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

d is the correct answer

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