shanti is riding on a train that is moving at a speed of 90 km/h. he is carrying a power cord for his phone…

shanti is riding on a train that is moving at a speed of 90 km/h. he is carrying a power cord for his phone that is 1.2 m long. which describes the length of the power cord when shanti gets off the train? cannot be determined less than 1.2 m more than 1.2 m equal to 1.2 m

shanti is riding on a train that is moving at a speed of 90 km/h. he is carrying a power cord for his phone that is 1.2 m long. which describes the length of the power cord when shanti gets off the train? cannot be determined less than 1.2 m more than 1.2 m equal to 1.2 m

Answer

Explanation:

Step1: Understand length - contraction concept

Length - contraction occurs only when an object is in motion relative to an observer. When the object is at rest relative to the observer, its length is the proper length.

Step2: Analyze the situation

The power cord's length of 1.2 m is its proper length (length in its own rest - frame). When Shanti gets off the train, the power cord is at rest relative to the ground (and Shanti). There is no length - contraction effect.

Answer:

equal to 1.2 m