An object is moving at a velocity of 23 m/s. It accelerates to a velocity of 85 m/s over a time of 2.0 s. What acceleration did it cynorionan?

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.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.