What is the kinetic energy ( during free fall) when height is 0m. Plz explain properly

The velocity of a curling stone is due east. what will be the direction of the momentum of the curling stone as it moves?

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.

Why do astronauts in the space shuttle weigh less?