life is beautiful

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The following questions were asked by visitors named life is beautiful.

Answers

The following answers were posted by visitors named life is beautiful.

The standard formula for average energy of a solid molecule is (3/2)kT. According to equipartition theory each degree of freedom has energy of (1/2)kT. A solid has 3 degrees of freedom. Hence its energy is (3/2)kT. The answer posted is right. Must be some...

Answer is right. Work done = Change in potential Energy. Initially it was flat. so h = 0. Now when it is standing, the centre of gravity is at height of 3.4/2

Form a venn diagram and write the following equation: Girls playing only netball + only hockey + both + neither =30. Let girls playing both be x. Hence, (18-x) + (14-x) + x + 5 =30. Solve for x. Answer is 7