Consider a pipe that flows through the ground floor and up t…

Consider a pipe that flows through the ground floor and up to the second floor of house. 4 °C fresh water is pumped at a speed of 0.50 m/s through a 5.0 cm diameter pipe at the ground floor, under a pressure of 2.5 atm. What will be the pressure in a 4.0 cm diameter pipe at the second floor 6.0 m above. 

Challenge You are a U.S.-based currency speculator researchi…

Challenge You are a U.S.-based currency speculator researching call options on the EUR. The currency spot exchange rate is 1.050 USD per 1 EUR. You find that the price of 1.100-strike calls with one-year remaining maturity is 0.05 USD per EUR. If the risk-free rate in USD is currently 5.00 percent and market estimate of the exchange rate’s volatility is 15.00 percent, what EUR risk-free rate is implied by the observed call price? Enter your answer as a percentage, rounded to the nearest 0.0001%.

An object is attached to the end of an ideal spring which ha…

An object is attached to the end of an ideal spring which has a spring constant of 105 N/m and is extended to 2.8 cm from it equilibrium position. What is the magnitude of the force (units: N) exerted by the spring? NOTE: Watch correct use of rounding and significant figures Enter numerical answer in proper decimal format, not scientific notation Do not enter units with the answer