The correct answer is
<span>A) 0 m
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In fact, the displacement is a vectorial quantity that corresponds to the difference between the initial and the final position of an object in motion. In this problem, the final position of the ball is equal to its initial position (because the ball returns back to where it was launched), so the displacement of the ball is zero.
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When looking at it from a physics standpoint, the thick padding decreases the amount of force that a player experiences. Force equals mass times acceleration where acceleration is distance over time. The thick padding increases the amount of time the player makes contact with the post which decreases force.
Answer:
The magnetic field is 14.08 T.
Explanation:
Given that,
Speed of electron 
Distance 
Suppose we need to find the magnetic field at the location of the proton
We need to calculate the magnetic field
Using formula of magnetic field
....(I)
Using formula of current
Using formula of time
Put the value of current and time in equation (I)
Put the value into the formula
Hence, The magnetic field is 14.08 T.
