One container has 100 ml of water and a second container has 1000 ml of water. If the temperature in both containers is 22 oc (7
1 answer:
<h2>Answer</h2>
A second container has 1000 ml of water will contan more thermal energy
<h2>Explanation</h2>As thermal energy can be determine as
Cp and ΔT will be same for both of the container as both have water and same temperature.
At the condition of same temeprtaure and object, the object with greater volume or mass has greater thermal energy
So,
1st container has 100ml, while 1000ml in 2nd container.
The Thermal energy of 2nd container, having 1000ml water will be greater.
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Answer:
Explanation:
The energy of Mass-Spring System the sum of the potential energy of the block plus the kinetic energy of the block:
Where:
There are two cases, the first case is when the spring is compressed to its maximum value, in this case the value of the kinetic energy is zero, since there is no speed, so:
The second case is when the block passes through its equilibrium position, in this case the elastic potential energy is zero since , so:
Now, let's find the energy of the system when the block is replaced by one whose mass is twice the mass of the original block using the previous data:
Where in this case:
Therefore:
Answer:
They have same density
Explanation:
The density of an object is defined as
where
m is the mass of the object
V is its volume
Let's call and
the mass and the volume of ball C, respectively. Therefore, the density of ball C is:
We know that the volume of ball C is 3 times the volume of ball D, so
And we also know that ball D has 1/3 the mass of ball C:
So, the density of ball D is:
Therefore, the two balls have same density.