No friction?
f=ma so a=f/m
a. distance=1/2 a t^2
b. again, just change mass.
A shopper in a supermarket pushes a loaded cart with a horizontal force of 12 N. The cart has a mass of 33 kg.
(a) How far will it move in 7.0 s, starting from rest? (Ignore friction.)
m
(b) How far will it move in 7.0 s if the shopper places her 30 N child in the cart before she begins to push it?
m
1 answer