Q: The acceleration of gravity means that for each second that passes, falling objects move 9.8m? A:True
2 answers:
Answer:
False
Explanation:
If the object covers 9.8 m every second then it has a constant velocity of 9.8 m/s
The acceleration implies that there is a change in velocity. With a constant acceleration the velocity will change linearly.
The distance traveled each second will not be a constant, it will be a quadratic function as mentioned above.
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Answer:
<h3>The answer is 0.67 m/s²</h3>Explanation:
The acceleration of an object given it's mass and the force acting on it can be found by using the formula
f is the force
m is the mass
From the question we have
We have the final answer as
<h3>0.67 m/s²</h3>Hope this helps you
We can solve the problem by using the first law of thermodynamics:
where
is the variation of internal energy of the system
Q is the heat added to the system
W is the work done by the system
In this problem, the variation of internal energy of the system is
While the heat added to the system is
therefore, the work done by the system is