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Atmospheric Pressure and Gauge Pressure

A plane flying over the sea has to make emergency landing due

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Solving time: 3 mins

A plane flying over the sea has to make emergency landing due to some technical problem. The operator sees a huge ice block floating in the sea water and the fraction of the block inside the sea water is $13/17$ . If this plane weighs $4000 N$ and lands on this block, it is found that the ice block just sinks in the water. What is the mass (in kg) of the ice block? (Take density of sea water as $1 g cm^{- 3}$ ).

1200

1300

1400

1500

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Henry Discussed

A plane flying over the sea has to make emergency landing due to some technical problem. The operator sees a huge ice block floating in the sea water and the fraction of the block inside the sea water is

13/17

. If this plane weighs

4000 N

and lands on this block, it is found that the ice block just sinks in the water. What is the mass (in kg) of the ice block? (Take density of sea water as

1 g cm^{- 3}

11 mins ago

Discuss this question LIVE

11 mins ago

Text solutionVerified

Let the volume of ice block be

V

.

R.D of Ice

= \frac{13}{17}

Density

= \frac{13}{17} \times 1 0^{3} kg m^{- 3}

When the plane lands on the ice block,

m_{p} + m_{i} = m_{w d}

400 + V d = V \times 1000

400 + \frac{13000}{17} V = 1000 V

1000 V - \frac{13000 V}{17} = 400

4000 V = 400 \times 17

V = \frac{400 \times 17}{4000}

V = 1.7

Mass of ice block

= V \times d

= 1.7 \times \frac{13000}{17}

= 1300 kg

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Question Text	A plane flying over the sea has to make emergency landing due to some technical problem. The operator sees a huge ice block floating in the sea water and the fraction of the block inside the sea water is $13/17$ . If this plane weighs $4000 N$ and lands on this block, it is found that the ice block just sinks in the water. What is the mass (in kg) of the ice block? (Take density of sea water as $1 g cm^{- 3}$ ).
Topic	Mechanical Properties of Fluids
Subject	Physics
Class	Class 11
Answer Type	Text solution:1
Upvotes	136

Text solutionVerified

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