On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 kg/m3 , length 88.1 cm and diameter 2.70 cm from a storage room to a machinist. Calculate the weight of the rod, w. The acceleration due to gravity, g

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

Write down two additional questions about earth's magnetic field that will make your presentation more informative.