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3 years ago

What do you mean by water equivalent of iron is greater than copper?

Physics

2 answers:

Hunter-Best [27]3 years ago

4 0

Answer:

It means that when water has the thermal capacity equal to iron, that thermal capacity is greater than that of copper.

Explanation:

The water equivalence of a body is the body of water that has the same thermal capacity as the body, that is, it is the body of water that, receiving the same amount of heat, undergoes the same temperature variation as the body. Thus, we can say that water equivalent to iron is greater than copper means that when water has the same thermal capacity as iron, that thermal capacity is greater than that of copper.

Varvara68 [4.7K]3 years ago

3 0

Water equal to iron is greater than cooper

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katrin2010 [14]

Answer:1.375metre per second square

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3 years ago

A car engine has power than a horse because a car engine does the same amount of work in time. Yasmin and Raj each had 10 boxes

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Answer:

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2 years ago

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3 years ago

Dana is on a train traveling at a speed of 20 km/h. Dana walks from the front of the train to the back of the train at a speed o

dezoksy [38]

Answer:

Diana's speed relative to ground is 16 km/h in the direction of motion of train.

Explanation:

Given:

Velocity of train in forward direction is, $v_{t,g}=20\ km/h$

Here, $v_{t,g}\to \textrm{velocity of the train relative to ground.}$

Velocity of Diana relative to train in the backward direction is, $v_{D,t}=-4\ km/h$

Negative sign implies backward motion or motion opposite to the direction of train's motion. Here, Diana is walking from front of train to back. So, Diana is moving in the opposite direction.

Now, we know that, for two bodies 'A' and 'B', velocity of 'A' relative to ground is given as:

$v_{A,g}=v_{B,g}+v_{A,B}$

Therefore, velocity of Diana relative to ground is given as:

$v_{D,g}=v_{t,g}+v_{D,t}$

$v_{D,g}=(20-4)\ km/h$

$v_{D,g}=16\ km/h$

So, Diana's speed relative to ground is 16 km/h in the direction of motion of train.

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3 years ago

Apply the concept of density to explain why oil floats on water

pishuonlain [190]

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