How much work is done when 0.0042C is moved through a potential difference of 12.0V? Use W = qV A. 2900J
B. 12J
C. 0.00035J
D. 0.050J

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

What will a positive and a negative charge do if they are separated from each other?