The skater with a mass of 50 kg has a velocity of 20 m/s at the bottom of the ramp. How high vertically up the ramp will the skater be able to go? (Round off the acceleration of gravity to 10 m/s/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 : ))

i wanna say it’s between b and d, leaning more towards b.

it becomes positively charged by charging it

yup its correct its: c) b b