The mathematical expression for the change in free energy of a system is δg =δh - tδs. which of the following is correct? the mathematical expression for the change in free energy of a system is δg =δh - tδs. which of the following is correct? t is the temperature in degrees celsius. δh is the change in entropy, the energy available to do work. δs is the change in enthalpy, a measure of randomness. δg is the change in free energy.

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?

What energy transformations occur each time the skateboarder rolls up the ramp?