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Answer : The specific heat capacity of the alloy
Explanation :
In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.
where,
= specific heat of alloy = ?
= specific heat of water =
= mass of alloy = 21.6 g
= mass of water = 50.0 g
= final temperature of system =
= initial temperature of alloy =
= initial temperature of water =
Now put all the given values in the above formula, we get
Therefore, the specific heat capacity of the alloy
Answer:
Please refer to the figure.
Explanation:
The magnitude of the magnetic field can be found by Biot-Savart Law. We should divide the loop into four components. Each component has a similar solution but their directions are quite different.
The directions can be found by right-hand rule. Point your index finger into the direction of current, point your middle finger towards the target point (0,0,a). Your thumb will show you the direction of magnetic field.
