Which two investment options would be best if you are 20 years old just starting to see if I want to retire when you're 70 consider the kind of investment rate of return level of risk and other factors

An 120 volt electric motor that draws 5 amps of current operates a winch that lifts a 100 kg. a distance of 300 cm. in 5 seconds. Find work done by the winch, input power, output power, and efficiency of this system

Consider a cylindrical nickel wire 2.3 mm in diameter and 2.6 * 104 mm long. Calculate its elongation when a load of 260 N is applied.

Based on the graphs of stress-strain from the V-MSE site, how would you characterize the general differences between polymers and alloys in terms of mechanical properties? a. Alloys are stronger, stiffer, but less ductile. b.

A sewage lagoon that has a surface area of 100,000 m2 (10 ha) and a depth of 1 m is receiving 8,640 m3/d of sewage containing 100 mg/L of biodegradable contaminant.

Floor tiles 12 - inch 12 - inches To be installed on the kitchen floor measuring 10'8"*11'8" how many towels are needed? and add six tiles for waist and proper fitting

Problem 4: Air flows into an open system and carries energy at the rate of 100 kW. When the air leaves the system, the energy rate it carries is 250 KW. In the meantime, the system receives 350 kW power and negligible heat flux.

A product has a market estimate of 180,500 components and requires three processing steps (turning, milling, and drilling), having defective estimates of d1=0.06, d2=0.04, d3=0.01.

The energy conversion that takes place in an evaporative cooler is: a. thermal energy to chemical energy b. thermal energy to heat c. cooling of thermal energy d. heat energy to mechanical energy

You are considering the purchase of a heat pump system with aresistive heating element in the air-handler for back-up during the extra cold winter months when the temperature is below the heat pump's capability.

True or False: A cracked windshield and a dislodged hood that flies up are examples of situations in which a driver can experience loss of forward vision.