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A freight train has a mass of 1.9 107 kg. If the locomotive can exert a constant pull of 7.5 105 N, how long does it take to in...Asked by Devon
A freight train has a mass of 5 x 107 kg. If the locomotive can exert a constant pull of 12 x 105 N, how long would it take to increase the speed of the train from rest to 85 km/h
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MathMate
m=5*10<sup>7</sup> kg
F=12*10<sup>5</sup> N
a=F/m m/s²
Time, t, to reach 85 km/h = V m/s (conversion required)
t=V/a seconds
F=12*10<sup>5</sup> N
a=F/m m/s²
Time, t, to reach 85 km/h = V m/s (conversion required)
t=V/a seconds
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