Kinetic energy....
1 answer:
Explanation:
Given parameters:
mass of bullet 1 = 0.0014kg
velocity of bullet 1 = 396m/s
mass of bullet 2 = 7.1 x 10⁷kg
velocity of bullet 2 = 13m/s
Unknown;
Comparing the kinetic energy
Solution:
Kinetic energy is the energy due to the motion of a body.
K.E = m v
bullet 1:
K.E = x 0.0014 x 396
= 109.8J
bullet 2:
K.E = 7.1 x 10⁷ x 13
= 6 x 10⁹J
The second bullet has more kinetic energy than the first one.
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To solve this problem it is necessary to apply the concepts related to transformers, that is to say passive electrical device that transfers electrical energy from one electrical circuit to one or more circuits.
From the mathematical definition we have that the relationship between the voltage of the first coil and the second coil is proportional to the number of loops of the first and second loop, that is:
Where
input voltage on the primary coil.
input voltage on the secondary coil.
number of turns of wire on the primary coil.
number of turns of wire on the secondary coil.
Replacing our values we have:
Replacing,
From the same relations of number of turns and the voltage of the first and second coil we also have the relation of electricity and voltage whereby:
Where
= Current Primary Coil
= Current secundary Coil
Therefore:
Therefore the maximum values for the secondary coil of the voltage is 410.56V and Current is 1.87A
The elastic potential energy (Ep) is given by 
Data:
Ep = ? (Joule)
k = 20 N/m
x (displacement) = 0.20 m
Solving:
Data:
Ep = ? (Joule)
k = 20 N/m
x (displacement) = 0.20 m
Solving: