Calculate the acceleration due to gravity on the moon. The feather and hammer were dropped from a height of 1.2 m and took 1.22 seconds to fall. Givens:

Unknown :

Equation:

Substitution:

Solution with units and proper significant digits:

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.

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?