Posted by **Elaine Jetton** on Sunday, September 18, 2011 at 4:11pm.

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)

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