5. Two balls with masses of 0.4 kg and 0.6 kg respectively are thrown in such a manner that they collide head-on. They stick together and move with common velocity. The initial velocity for each ball is 15 m/s. Calculate the velocity v. A. Zero B. - 3 ms? C. 6 ms! D. 9 ms​

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