2006-10-03 19:40:24 · 6 answers · asked by boi 1 in Education & Reference ➔ Homework Help
E=1/2mv^2=30J
2006-10-03 19:44:47 · answer #1 · answered by Tony_Dimo 1 · 1⤊ 0⤋
Kinetic energy is .5*m*v^2. How much energy does the body have when m = 15kg and v=2m/s? How much does it have at rest (v=0)? How much did it then lose?
2006-10-04 02:46:06 · answer #2 · answered by gp4rts 7 · 1⤊ 0⤋
= mass * velocity ^2
=15*2*2
=60
Been a few years so I could be senile and totally wrong.
I was wrong. Tony got it.
2006-10-04 02:45:53 · answer #3 · answered by TLWOLFf 4 · 0⤊ 0⤋
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2006-10-04 02:49:25 · answer #4 · answered by Anonymous · 0⤊ 0⤋
30J worth of energy will gradually change into 30J of potential energy
2006-10-04 02:51:04 · answer #5 · answered by zulu 2 · 0⤊ 0⤋
http://www.glenbrook.k12.il.us/GBSSCI/PHYS/Class/energy/u5l1c.html
2006-10-04 02:46:03 · answer #6 · answered by J C 3 · 0⤊ 0⤋