Which has more thermal energy, 1 kg of aluminum at 20°c or 1 kg of gold at 20°c

here since temperature and mass is same so aluminium must have more thermal energy than gold

Explanation:

As we know that thermal energy stored inside the matter is given as

now we know that

m = mass of the given substance

c = molar specific heat capacity

= temperature with respect to zero degree C

now we know that

= molar specific heat capacity of aluminium

= molar specific heat capacity of gold

So here since temperature and mass is same so aluminium must have more thermal energy than gold

two charges are fixed in place on the x-axis as shown. the charge at x = 0 is negative and has magnitude q = 2 μcoulombs (1 μcoulomb = 10-6 coulombs). the charge at x = d, (d = +12 cm), is positive and has magnitude q = 4 μcoulombs. find a point x = xo along the x-axis at which the electric field is zero.

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