4. Vectors P and Q are drawn to scale.
P
Which diagram represents the vector (P +Q)?
A
B
с
D

plz help I will fail.
can anyone plz help me.
plz

! 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 : ))

50 inches should be the resultant vector

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y