A50,000 kg locomotive is traveling at 10 m/s when its engine and brakes both fail. how far will the locomotive roll before it comes to a stop? assume the track is level.

2551.02 m

Explanation:

Given that, the mass of a locomotive is,

coefficient of friction for steel,

Velocity of the locomotive is

By conservation of energy it can be written as:

Here, E is the energy because of friction.

Now,

Here, m is the mass, v is the velocity of an object.

Now energy of the friction can be written as,

Here, is the coefficient of friction , m is the mass and g is the acceleration due to gravity.

Therefore

Substitute all the variables.

The distance traveled by the locomotive ball before stopping is 2551.02 m

all of the answers are correct.

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explanation:

the answer would be a