A helium ion (Q = +2e) whose mass is 6.6×10?27kg is accelerated by a voltage of 3700V .
A) What is its speed? Express your answer to two significant figures and include the appropriate units.
B) What will be its radius of curvature if it moves in a plane perpendicular to a uniform 0.380T field? Express your answer to two significant figures and include the appropriate units.
C) What is its period of revolution? Express your answer to two significant figures and include the appropriate units