Old naval ships fired 15 kg cannonballs from a 200 kg cannon. It was very important to stop the recoil of the cannon since otherwise, the heavy cannon would go careening across the deck of the ship. In one design, a large ship with spring constant 2.5 x 10 4 N/m was placed behind the cannon. The other end of the spring braced against a post that was firmly anchored to the ship's frame. What was the speed of the cannon ball if the spring compressed 54 cm when the cannon was fired?

Quantitative problem: you need $20,000 to purchase a used car. your wealthy uncle is willing to lend you the money as an amortized loan. he would like you to make annual payments for 4 years, with the first payment to be made one year from today. he requires a 8% annual return. what will be your annual loan payments? round your answer to the nearest cent. do not round intermediate calculations. $ how much of your first payment will be applied to interest and to principal repayment? round your answer to the nearest cent. do not round intermediate calculations. interest: $ principal repayment

Any point on a country's production possibilities frontier represents a combination of two goods that an economy:

You are attending college in the fall and you need to purchase a computer. you must finance the purchase because your parents will not purchase it for you, and you do not have the cash on hand to purchase it. in blank #1 determine which type of credit would you use to finance your purchase (installment, non-installment, or revolving credit). (2 points) in blank #2 defend your credit choice by explaining why your financing option is the best option for you. (2 points) in blank #3 explain why you selected that credit option over the other two options available. (2 points)