Multiple Choice
A cannon shoots a charged,5.0-kg cannon ball at some angle above horizontal ground in a region in which the electric field is given by 12.0 N/C ŷ,while gravitational acceleration is straight down,-9.8 m/s2 ŷ.If the ball travels half the distance it would have if there were no electric field,what is the charge on the cannon ball?
A) + 4.1C
B) -4.1C
C) + 12C
D) -12C
E) Cannot answer-the angle of launch is needed.
Correct Answer:
Verified
Correct Answer:
Verified
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