- #1
BunDa4Th
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A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass of 33 kg.
(a) How far will it move in 3.0 s, starting from rest? (Ignore friction.) M
(b) How far will it move in 3.0 s if the shopper places his 30 N child in the cart before he begins to push it? M
I figure out A but stuck on B and have no clue what to do after getting it incorrect 3 times.
for A I did F = ma a = .39 then I used V = at to get V = 1.17
then i used V^2 - V_0^2 = 2aDeltaX to get DeltaX = 1.76m
I tried using something like that for b but incorrect.
I tried finding a_x and a_y but it gave me an incorrect answer. Any pointer would be very helpful. Thanks in advance
(a) How far will it move in 3.0 s, starting from rest? (Ignore friction.) M
(b) How far will it move in 3.0 s if the shopper places his 30 N child in the cart before he begins to push it? M
I figure out A but stuck on B and have no clue what to do after getting it incorrect 3 times.
for A I did F = ma a = .39 then I used V = at to get V = 1.17
then i used V^2 - V_0^2 = 2aDeltaX to get DeltaX = 1.76m
I tried using something like that for b but incorrect.
I tried finding a_x and a_y but it gave me an incorrect answer. Any pointer would be very helpful. Thanks in advance