The fundamental frequency of a standing wave which has
string of length L
mass per unit meu
has the tension T
is given by f = 1/2L
Now we are required to find if the tension is doubled, with all other factors held constant, what will be the effect on the fundamental frequency
According to the formula,
the fundamental frequency f is directly proportional to the factor of square root
Hence when the tension is doubled while other factors remaining constant
the formula will become
f= 1/2L
Hence the change in the fundamental frequency will be of the factor
Therefore, the change will be of
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Answer:
a.
b.
c.
d.
Explanation:
Given:
- angle of inclination of the surface,
- mass of the crate,
- Force applied along the surface,
- distance the crate slides after the application of force,
a.
<u>Work done by the worker who applied the force:</u>
since the direction of force and the displacement are the same.
b.
<u>Work done by the gravitational force:</u>
where:
g = acceleration due to gravity
h = the vertically downward displacement
Now, we find the height:
So, the work done by the gravity:
∵direction of force and displacement are opposite.
c.
The normal reaction force on the crate by the inclined surface:
d.
Total work done on crate is with respect to the worker:
Answer:
the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.
Explanation:
Answer:
Convection heat transfer is the physical movement of a warm gas or liquid to a colder location.
Explanation:
hope it helped
Answer:
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