HELP IM STUCK WELL MARK A BRAINLIESS IF ITS RIGHT

a cow sees a break in the fence and runs for her freedom. as she passes through the fence her speed gose from 3 m/s to 10 m/s in a matter of 90 seconds. calculate her acceleration. show your work and include correct units for full credit. round your answer to proper significant figures

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Newtons view of arrangement of the universe. don't copy from anywhere.

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