Answer to Question #15250 in Mechanics | Relativity for Jay
F = Ma,
where M is the mass of the go-cart with driver. We know that acceleration a is
a = (18.3[m/s] - 11.3[m/s])/5.01[s] ≈ 1.4 m/s².
So, the mass of the go-cart plus driver is
M = F/a = 423.1[N]/1.4[m/s²] = 302.2 kg.
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