When the Moon is at a distance of 0.25 D from the Earth, the gravitational force on the Moon from the Earth is 16.00 F. At what
1 answer:
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Explanation:
Given that,
Potential = 75 kV
Exposure = 200 mR
Time = 0.2 sec
We need to calculate the x-ray fluence during this chest x-ray exam
Using formula of fluence
Put the value into the formula
We need to calculate the energy fluence
Using formula of energy fluence
We need to calculate dose -equivalent delivered to the bone, muscle, and fat
Using formula of dose
Where, D = dose
E = energy
t = time
Put the value into the formula
Hence, This is the required solution.
Answer:
m = 2301.8 [kg]
Explanation:
This problem can be solved in an easy way using the definition of kinetic energy, in this way you can clear the mass, depending on the known variables.
Supplied energy=300kJ
- Wasted energy=70.5J
Used energy:-
We know