In a 5000 m race, the athletes run 12 1/2 laps; each lap is 400 m. kara runs the race at a constant pace and finishes in 17.3 min. hannah runs the race in a blistering 15.3 min, so fast that she actually passes kara during the race. how many laps has hannah run when she passes kara?

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.

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Explain vector addition, triangle method and parallelogram method