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What is the kinetic energy of a vehicle ...

What is the kinetic energy of a vehicle having a mass of 2000 kg and moving at 20 m/s.

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K.E. of the vehicle `=1/2m^(2)`
`=1/2xx2000kgxx(20m//s)^2`
`=1/2xx2000kgxx400m^2//s^2=4,00,000J`
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S CHAND IIT JEE FOUNDATION-WORK AND ENERGY-SELF ASSESSMENT SHEET-3
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  2. Which of the following is a non-renewable source of-energy ?

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  4. Match correctly the lists of items in column l and collumn II

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  5. Answer true or false. A body can have only-one type of energy at a t...

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  6. Answer true or false. The S.I unit of energy is Joule.

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  7. Answer true or false. Water is a non-renewable source of energy

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  8. Answer true or false. An electric bulb converts heat energy into lig...

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  9. Answer true or false. Work done does not depend on time

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  10. Answer true or false. The sun is the source of most energy on Earth

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  11. Compare fossil fuels and biomass as energy resources.

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  20. Answer the following questions : while falling

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