A rugby player runs with the ball directly toward his opponent's goal, along the positive direction of an x axis. He can legally
pass the ball to a teammate as long as the ball's velocity relative to the field does not have a positive x component. Suppose the player runs at speed 3.5 m/s relative to the field while he passes the ball with velocity
v⃗ BP
relative to himself. If
v⃗ BP
has magnitude 6.0 m/s, what is the smallest angle it can have for the pass to be legal?
v⃗ BP
relative to himself. If
v⃗ BP
has magnitude 6.0 m/s, what is the smallest angle it can have for the pass to be legal?
1 answer:
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Answer:
59.4 N
Explanation:
The force exerted on a current-carrying wire due to a magnetic field perpendicular to the wire is given by
where
I is the current in the wire
L is the length of the wire
B is the strength of the magnetic field
Here in this problem, we model the strike as a current-carrying wire, so we have:
I = 49,500 A is the current
L = 1 m is the length (we want to find the force per each meter of length)
is the strength of the magnetic field
Therefore, the force on each meter of the current due to the magnetic field is: