a 20N object falls 10 meters. how many joules of kinetic energy does the object gain?
a)10
b) 20
c) 200
d) 2000
2 answers
(c) m •g •h =(m•g) •h=20•10=200 J
200
a)10
b) 20
c) 200
d) 2000
2 answers
1 answer
1 answer
1 answer
11 answers