It means that they were set earlier therefor they are older.
Answer:
<h2>
Work done by the gas is given as</h2><h2>

</h2>
Explanation:
As we know that the process is isothermal so here work done is given as

here we know that


now we have

so we have

Answer: position (x) and time (t)
Explanation:
A body is said to be in motion when its position changes with time with respect to a stationary observer.
Following are the types of motion:
<u>Uniform motion</u>: When equal amount of distance is covered in equal intervals of time.
<u>Non-Uniform motion</u>: When unequal amount of distance is covered in equal intervals of time.
Motion can be of the following types as well:
<u>Rectilinear motion</u>: when object moves in a straight line.
<u>Circular motion</u>: when object moves in a curved path.
<u>Periodic motion</u>: when motion repeats itself in fixed intervals of time.
Thus, in order to define motion, only two variables are required: position and time. Measuring these variables can determine whether the object is in motion or not and the type of motion.
Answer:
J=0.211kg.m/s
Explanation:
The impulse-momentum theorem states:

The velocity before the impact is given by:

For the velocity after the impact:

so:

Answer:
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