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3 years ago

How many calories are produced when 50 ml of water is raised from 22 degrees celsius to 52 degrees celsius?

Physics

1 answer:

vagabundo [1.1K]3 years ago

5 0

Answer:1500 calorie

Explanation:

Given

volume of water $V=50\ ml$

Initial temperature $T_i=22^{\circ}C$

Final temperature $T_f=52^{\circ}C$

We know,

specific heat of water is $c=1\ calorie/gm-^{\circ}C$

the density of water is $\rho=1\ gm/ml$

The heat required to raise the temperature

$\Rightarrow Q=mc\Delta T\\\Rightarrow Q=\rho \cdot V\times c\times \Delta T\\\Rightarrow Q=1\times 50\times 1\times (52-22)\\\Rightarrow Q=1500\ cal.$

1500 calories is required

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Answer:

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3 years ago

If a projectile hits a stationary target, and the projectile continues to travel in the same direction, the mass of the projecti

nika2105 [10]

The correct arrangement of the question is;

If a projectile hits a stationary target, and the projectile continues to travel in the same direction,

A) the mass of the projectile is less than the mass of the target.

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Answer:

Option C: The mass of the projectile is greater than the mass of the target.

Explanation:

We want to find what will happen when a projectile continues in motion after it hits a target.

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3 years ago

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Answer:

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In the exercise indicate that the velocity is the z axis

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3 years ago

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