Question

1) An electric field is directed in the +î direction. An electron is fired in the...

1) An electric field is directed in the +î direction. An electron is fired in the +î direction into the field. Its potential energy ________ and its kinetic energy_________. Think about this from a kinematics perspective.
NOTE: You must provide an explanation for your answer to receive credit.

a.  increases; increases

b.  decreases; increases

c.  increases; decreases

d.  decreases; decreases

2) You find the following statements on a popular physics-student website. If the statement is correct, explain why. If the statement is incorrect, explain why it is not.

"If an individual particle's charge-to-mass ratio doubles, its acceleration will also double if it is placed in a uniform electric field."

"The electric force on a particle doubles if its mass doubles."
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