A decrease in the price of a good normally results in an increase in the quanti ty demanded by consumers because of the law of demand, and conversel y, quant ity demanded decreases when price rises. So. here the decrease in price of Pepsi will increase in demand for it, while the demand for Coke and 7-Up will decrease because of no change in their price level
2 .
A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. Which physical quantity is conserved in this process ?