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When a ball is thrown inside a moving bu...

When a ball is thrown inside a moving bus, does its kinetic energy depend on the speed of the bus ? Explain.

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Yes, the kinetic energy of a ball thrown inside a moving bus depends on the speed of the bus. This is because the speed of bus adds up to the speed with which the ball is thrown inside the moving bus
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
  1. When a ball is thrown vertically upwards, its velocity goes on decreas...

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  2. A man X goes to the top of a building by a vertical spiral staircase....

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  3. When a ball is thrown inside a moving bus, does its kinetic energy dep...

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  4. A bullet of mass 15 g has a speed of 400 m/s. What is its kinetic ener...

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  5. COMMERCIAL UNIT OF ENERGY

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  6. One kilowatt-hour is equal to :

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  7. Name two units of power bigger than watt.

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  8. Define the term 'watt'.

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  9. One horse power is equal to

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  10. Name the physical quantity whose unit is watt.

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  11. What is the power of a body which is doing work at the rate of one jou...

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  12. A body does 1200 joules of work in 2 minutes. Calculate its power.

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  13. How many joules are there in one kilowatt-hour?

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  14. Name the quantity whose unit is : (a) kilowatt (b) kilowatt-hour

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  15. What is the common name of '1 kWh' of electrical energy?

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  16. A cell converts one form of energy into another form. Name the two for...

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  17. Name the device which converts electrical energy into mechanical energ...

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  18. Name the devices or machines which convert : (a) Mechanical energy i...

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  19. Name the devices or machines which convert : (i) Electrical energy i...

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  20. Fill in the following blanks with suitable words : (a) Power is the ...

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