As we know that
now we know that
so it is 21.98 radian
This part of the electromagnet spectrum produces heat and with special equipment can locate people at night.
2 answers:
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Answer:
C) The restoring force
Explanation:
Hooke's Law states that the restoring force acting on a spring is given by the equation:
where
k is the spring constant
x is the displacement of the spring from its equilibrium position
The negative sign in the equation tells the direction of the restoring force. In fact, this force tends to bring the spring back to its equilibrium position: so, the force is always in opposite direction to the displacement.
This means that when the spring is stretched to the right, the restoring force tends to bring it back to the left, to the equibrium position; if the spring is compressed to the left, the restoring force tends to bring it back to the right, to the equilibrium position.
So the correct option is
C) The restoring force
Using a graphical tool to obtain the form of the wave we can see that
It is periodic in X with period = 5 cm
It is periodic in t with period = 1/125 s = 8 ms
It is periodic in X with period = 5 cm
It is periodic in t with period = 1/125 s = 8 ms