What is the current that reverses direction in a regular patter called

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

For the below questions, consider a consumer that consumes two goods, x and z with the following utility function. u with bar on top space equals space x to the power of 1 third end exponent z to the power of 2 over 3 end exponent suppose initial values for income and the prices of goods x and z are y equals 90, p subscript x equals space 10, and p subscript z equals 15 respectively, then the price of good x falls to syntax error from line 1 column 89 to line 1 column 100. unexpected '\'.. what is the magnitude of the total effect

Which model displays the change in a gas when the temperature of the gaseous system decreases?