Spiderman uses his spider webs to save a runaway train moving about 60 km/h. His web stretches a few city blocks (500 m) before the 104 kg train comes to a stop.. What is the work done needed to stop the train in J.? Answer in standard notation. (Ex. 1.05 x104. Write 10500)

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Chapter7: Work, Energy, And Energy Resources
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Problem 7PE: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...
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Spiderman uses his spider webs to save a runaway train
moving about 60 km/h. His web stretches a few
city blocks (500 m) before the 104 kg train comes to a stop.
What is the work done needed to stop the train in J.?
Answer in standard notation. (Ex. 1.05 x104. Write 10500)
Transcribed Image Text:Spiderman uses his spider webs to save a runaway train moving about 60 km/h. His web stretches a few city blocks (500 m) before the 104 kg train comes to a stop. What is the work done needed to stop the train in J.? Answer in standard notation. (Ex. 1.05 x104. Write 10500)
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