A television camera lens has a 17-cm focal length and a lens diameter of 6.0 cm. what is its number?
1 answer:
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Answer:
<h2>3.5 m/s²</h2>Explanation:
The acceleration of an object given it's mass and the force acting on it can be found by using the formula
m is the mass
f is the force
From the question we have
We have the final answer as
<h3>3.5 m/s²</h3>Hope this helps you
Answer:
a)
b)
Explanation:
Given:
- mass of copper,
- initial temperature of copper,
- specific heat capacity of copper,
- mass of water,
- initial temperature of water,
- specific heat capacity of water,
a)
<u>∵No heat is lost in the environment and the heat is transferred only between the two bodies:</u>
Heat rejected by the copper = heat absorbed by the water
b)
<u>Now the amount of heat transfer:</u>
∴Entropy change