Use what you have read to summarize Jackie Robinson's
story in two or three sentences.

Jackie Robinson made history in 1947 when he broke baseball’s color barrier to play for the Brooklyn Dodgers. A talented and versatile player, Robinson won the National League Rookie of the Year award his first season, and helped the Dodgers to the National League championship.

Branch Rickey was searching for the right man to become the first African American player in Major League Baseball. Rickey explained the challenges to player Jackie Robinson. He would face racism and require a unique type of courage to succeed, but if he did succeed, he could make the box score the only thing that mattered.

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explanation:

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a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

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