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?

Determine if the following statements are true or false. an increase in government spending can crowd out private investment. an improvement in the budget balance increases the demand for financial capital. an increase in private consumption may crowd out private investment. lower interest rates can lead to private investment being crowded out. a trade balance in sur+ increases the supply of financial capital. if private savings is equal to private investment, then there is neither a budget sur+ nor a budget deficit.

Why is the type of product sold in an industry an important characteristic? a firm that can differentiate its product from that of rivals may be able to charge a higher price for a superior product. a firm that sells intangible goods is usually considered a monopoly. service industries cannot differentiate their products, which makes it easy for new firms to enter the industry. expensive products are usually sold by perfectly competitive firms.

Alia valbuena earns 68,400 per year as an automotive engineet what is her weekly and monthly salary ?