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A box of weight 150 kgf has gravitationa...

A box of weight 150 kgf has gravitational potential energy stored in it equal to 14700 J. Find the height of the box above the ground. (Take-9.8 N `kg^(-1)`)

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To find the height of the box above the ground using the gravitational potential energy formula, we can follow these steps: ### Step 1: Understand the formula for gravitational potential energy The formula for gravitational potential energy (PE) is given by: \[ PE = mgh \] where: ...
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ICSE- WORK ENERGY AND POWER-EXERCISE-2(B) (NUMERICALS)
  1. Two bodies of equal masses are placed at heights and 2h. Find the rati...

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  2. Find the gravitational potential energy of 1 kg mass kept at a height ...

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  3. A box of weight 150 kgf has gravitational potential energy stored in i...

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  4. A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate : (i...

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  5. Calculate the height through which a body of mass 0.5 kg is lifted if ...

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  6. A boy weighing 25 kgf climbs up from the first floor al a height of 3 ...

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  7. A vessel containing 50 kg of water is placed at a height of 15 m above...

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  8. A man of mass 50 kg climbs up a Indder of height 10 m. Calculate : (i)...

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  9. A block A, weighing 100 N is pulled up a slope of length 5 m by means ...

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  10. Find the kinetic energy of a body of mass 1 kg moving with a uniform v...

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  11. If the speed of a car is halved, how does its kinetic energy change?

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  12. Two bodies of equal masses are moving with uniform velocities v and 2v...

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  13. Two bodies A and B have masses in the ratio 5 : 1 and their kinetic en...

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  14. A car is running at a speed of 15 km h^(-1) while another Similar car ...

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  15. A ball of mass 05 kg slows down from a speed of 5 m s^(-1) to that of ...

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  16. A cannonball of mass 500 g is fired with a speed of 15 ms^(-1) . Find ...

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  17. A body of mass 10 kg is moving with a velocity of 20 m s^(-1) . If the...

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  18. A truck eighine 1000 kg changes its speed from 36 km h^(-1) to 72 km h...

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  19. A body of mass 60 kg has momentum of 3000 km s^(-1) Calculate : (i) th...

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  20. How much work is needed to be done on a ball of mas 50 g to give it a ...

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