Parkasons disease I really hope I helped!
Answer:
The value is
Explanation:
From the question we are told that
The frequency of the second player is
The beat frequency is
The speed of sound is
Generally the frequency of the note played by the first player is mathematically represented as
=>
=>
From the relation of Doppler Shift we have that
Here
So
=>
Answer:
Capillary Action.
Explanation:
Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity.
Answer:
a) per day
b)
c)
Explanation:
Given;
coefficient of performance of the refrigerator,
energy used per year of operation of the refrigerator,
a)
Energy used in single day:
per day
b)
Energy removed from the refrigerator in a single day:
We have the energy consumed in 1 day as,
so,
The desired effect of a refrigerator is to eliminate heat from the evaporator.
c)
Now the maximum mass of water that can freeze form 19.6°C:
where: