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The weight of a body in air is 50 N. Whe...

The weight of a body in air is 50 N. When the same body is weighed in water its weight decreases by 5N. Calculate the density of the given body.

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To find the density of the given body, we can follow these steps: ### Step 1: Understand the forces acting on the body The weight of the body in air (W_air) is given as 50 N. When the body is submerged in water, its weight decreases by 5 N due to the buoyant force (F_buoyancy). Therefore, the weight of the body in water (W_water) can be expressed as: \[ W_{water} = W_{air} - F_{buoyancy} \] Substituting the values: ...
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MODERN PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Revision Exercise (Numerical Problems)
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  8. Calculate the terminal velocity of a water drop of radius 0.002 mm fal...

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  9. Water is flowing down from a water tap of diameter 1.12 cm at the rate...

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  10. For the laminar flow of water of viscosity 0.0012 Nsm^(-2) through a t...

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  11. The rate of flow of water through a horizontal pipe of changing cross ...

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  12. What will be the total energy possessed by 1 kg of water at a point wh...

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  17. 1000 ergs of work is done in blowing a soap bubble to a radius x cm. C...

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