A ballon drifts 135m toward the west in 45m then the wind suddenly changes and the balloon flies 70 m towards the east in the next 25s A. What distance did it travel during the first 45 s? The distance traveled during the first 45s is?

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.

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost