Y the 10 put energy of a ceclculate the efficience of its output
past motor is 300
energy
Samemtervals 620J.
he
PS o gal whose mass
is uisky cconies a box of
mass 28kg
up a Hight of steps. There are no steps.
cach hoom high she takes 165
to chimb up the
Sheps (Take gelomis?)
is what is her
werybt
what is the weight.
in coelculate
me toteel gaceitertioneel pokenizow energy
of the girl and the box when she reaches the top .
calculate the total power
of the box ?​