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A raindrop of mass 2g falling from a hei...

A raindrop of mass 2g falling from a height of 1.00 km, hits the ground with a speed of `40.0 ms^(-1).`
(a) Find the work done by the grativational force.
(b) Find the work done by t he opposing resistive force `(g=10ms^(-2))`

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To solve the problem step by step, we will address both parts of the question: (a) finding the work done by the gravitational force and (b) finding the work done by the opposing resistive force. ### Given Data: - Mass of the raindrop, \( m = 2 \, \text{g} = 2 \times 10^{-3} \, \text{kg} \) - Height from which it falls, \( h = 1.00 \, \text{km} = 1000 \, \text{m} \) - Final speed when it hits the ground, \( v = 40.0 \, \text{m/s} \) - Acceleration due to gravity, \( g = 10 \, \text{m/s}^2 \) ...
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AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - D)
  1. A raindrop of mass 2g falling from a height of 1.00 km, hits the groun...

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  2. A : The work done by a force during round trip is always zero. R : Th...

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  3. A : The change in kinetic energy of a particle is equal to the work do...

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  4. A : Internal forces can change the kinetic energy but not the momentum...

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  5. A : The potential energy can be defined only in conservative field. ...

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  6. A : When a body moves in a circle the work done by the centripetal for...

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  7. A : If net force acting-on a system is zero, then work done on the sys...

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  8. A : During collision between two objects, the momentum of colliding ob...

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  9. A : The potential energy of a system increases when work is done by co...

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  10. A : In inelastic collision, a part of kinetic energy. convert into hea...

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  11. A : Energy dissipated against friction depends on the path followed. ...

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  12. A : Work done by the frictional force can’t be positive. R : Fricti...

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  13. A : Impulse generated on one body by another body in a perfectly elas...

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  14. A : Power of the gravitational force on the body in a projectile motio...

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  15. A : Power delivered by the tension in the wire to a body in vertical c...

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  16. A : When a man is walking on a rough road, that work done by frictiona...

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