As shown in the figure,a small particle of charge q = -7.0 × 10-6 C and mass m = 3.1 × 10-12 kg has velocity v0 = 9.4 × 103 m/s as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius R = 5.0 cm.Calculate the magnitude and direction of the magnetic field in the region. 
Definitions:
Western Industrialized Countries
Nations primarily located in the Western Hemisphere that are characterized by high levels of industrialization, advanced technological infrastructure, and higher standards of living.
Finger Tapping
A simple motor task used in psychological and neurological tests to assess motor speed, coordination, and sometimes cognitive abilities.
Western Industrialized Countries
Nations in the Western Hemisphere that have advanced systems of production, transportation, and communication, characterized by a high standard of living.
Customer Service
Assistance and advice provided by a company to those people who buy or use its products or services.
Q41: Two +6.0-μC point charges are placed at
Q156: Under electrostatic conditions,the electric field just outside
Q279: As shown in the figure,a small particle
Q399: A certain source of sound waves radiates
Q460: 4 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="4 =
Q705: Waves travel along a 100-m length of
Q824: A researcher is investigating a cubic crystal
Q859: Three spaceships A,B,and C are in motion,as
Q1001: In simple harmonic motion,the speed is greatest
Q1032: In an isochoric process,the internal (thermal)energy of