posted by Elaine Jetton .
A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass of 32 kg.
(a) How far will it move in 4.0 s, starting from rest? (m) (Ignore friction.)
(b) How far will it move in 4.0 s if the shopper places his 30 N child in the cart before he begins to push it? (m)