Twins Jody and Taylor are rearranging the furniture in their bedroom and want to move a dresser across the room. The dresser has
1 answer:
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Answer:
Explanation:
When an amount of energy Q is supplied to a substance of mass m, the temperature of the substance increases by , according to the equation
where is the specific heat capacity of the substance.
In this problem, we have:
is the amount of heat supplied to the sample of gold
m = 0.1 kg = 100 g is the mass of the sample
is the specific heat capacity of gold
Solving for , we find the change in temperature
And since the final temperature was
The initial temperature was
Answer:
<h2>3.39 J</h2>Explanation:
The kinetic energy of an object can be found by using the formula
m is the mass
v is the velocity
From the question we have
We have the final answer as
<h3>3.39 J</h3>Hope this helps you