A 0.150 kg ball at the end of a string is revolving uniformly in a horizontal circle of radius 0.500m. (a) If the ball makes 3.00 revolutions in a second, what is the period?

(b)Determine the speed of the ball.

(c) Find the centripetal acceleration.

(d)Calculate the centripetal force.

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Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.