A train locomotive pulls a train with a mass of 1.40 ✕ 107 kg on level rails. The locomotive exerts a constant force of 6.60 ✕ 105 N on the train. How much time does it take to increase the speed of the train from rest to 74.0 km/h? (Ignore any resistance force from the rails on the wheels of the train. Enter your answer in minutes.)

Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 7.3 ✕ 105…

A: Given,

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A:

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A: The number of identical cars = 10 Mass of each car m = 1.0×105 kg Acceleration a = 3.0 m/s2

Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 6.9 ✕ 105…

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A:

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A: The magnitude of acceleration can be calculated using following steps.

Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 7.9 ✕ 105…

A: The expression for acceleration of the train will be, a=Fma=7.9×105N1.2×107kga=6.6×10-2m/s

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A: From Newton’s second law of motion.

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Q: Three forces acting on an object are given by F, = (-1.9î + 7.45j) N, F, = (4.70î - 1.5j) N, and F,…

A: F1→ = -1.9i^ + 7.45j^ F2→ = 4.70i^ - 1.5j^ F3→ = 42i^  acceleration a = 4.00 m /s2  To find =…

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Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.4 ✕ 105…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: