A light - rail commuter train draws 620 A of 700 V DC electricity when accelerating.a) What is its power consumption rate in kilowatts?b)How long does it take (in seconds) to reach 19.0 m/s starting from rest if its loaded mass is 5.30 X 104 kg, assuming 95.0% efficiency and constant power?c) Find its average acceleration. (Enter the magnitude in m/s2. )d) Discuss how the acceleration you found for the light - rail train compares to what might be typical for an automobile.
A light - rail commuter train draws 620 A of 700 V DC electricity when accelerating.a) What is its power consumption rate in kilowatts?b)How long does it take (in seconds) to reach 19.0 m/s starting from rest if its loaded mass is 5.30 X 104 kg, assuming 95.0% efficiency and constant power?c) Find its average acceleration. (Enter the magnitude in m/s2. )d) Discuss how the acceleration you found for the light - rail train compares to what might be typical for an automobile.
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Transcribed Image Text:A light - rail commuter train draws 620 A of 700 V DC electricity when accelerating.a) What is its power consumption rate
in kilowatts?b)How long does it take (in seconds) to reach 19.0 m/s starting from rest if its loaded mass is 5.30 X 104 kg,
assuming 95.0% efficiency and constant power?c) Find its average acceleration. (Enter the magnitude in m/s2. )d)
Discuss how the acceleration you found for the light - rail train compares to what might be typical for an automobile.
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