Register
What is the ke of a 800 tonnes train travelling at a speed of 108 km/h note 1 tonne =1000 kg
227k views
10 votes
What is the ke of a 800 tonnes train travelling at a speed of 108 km/h note 1 tonne =1000 kg

User Bishan
by
7.3k points

1 Answer

11 votes
800 tonnes = 800,000 kg
108 km/h = 30 m/s

KE = (1/2)mv^2

(1/2)(800,000)(30)^2 = 360,000,000 J
User Rafaelcastrocouto
by
7.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!