The area beneath an acceleration vs time graph is equal to - 10. If the initial velocity of the object is 25 m/s. What is its final velocity?

The area of the graph of acceleration time is at

at = v - u

-10 = v - 25

v = 15 m/s

! 55 !  

write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.  

you should have at least 5 complete sentences with a main idea and supporting details.  

you must include the following words:  

potential energy

kinetic energy

mechanical energy

conservation of energy

dude, this is hard lol : ))

we need to know the time interval during which the force acts. impulse of force = momentum change