What are the advantages of bioethanol? What food crops can be used to produce bioethanol?

4) Say we want to measure whether a star is coming towards us or away from us using the Doppler shift of the lines in its spectra, with an accuracy of 1 km s-1 or better.

A journeyman electrician with 16 years experience on-the-job was removing metal fish tape from a hole at the base of a metal light pole. It was raining during the course of the work. The fish tape became energized, electrocuting him.

The compressibility factor provides a quick way to assess when the ideal gas law is valid. Use a solver to find the minimum temperature where the fluid has a vapor phase compressibility factor greater than 0.95 at 3 MPa.

What is the acceleration of a car that has a velocity of 20 m/s, and increase to a velocity of 70 m/s in 5 seconds?

Let r be a bank's interest rate in percent per year (APR). An initial amount of money P, also called as principal, will mature to an amount of P (1+r/100) ^n after n years have passed.

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder

What factors are likely to promote the formation of stress corrosion cracks?

Find the mass if the force is 18 N and the acceleration is 2 m/s2

Which process must first take place in order for the proteins in foods to be used by body cells? (1) digestion (3) synthesis (2) storage (4) excretion