Respuesta :

net force = 47 - 23 = 24N 
work done 
= force x distance 
= 24 * 0.25 
= 6 J ----answer 

how far can a mother push a 20kg baby carriage using a force of 62N if she can only do 2920J 

work done / force 
=distance 
= 2920 / 62 
=47m -----answer