A copper penny slides on a horizontal frictionless table. There is a square region of constant uniform magnetic field perpendicular to the table, as shown. Which graph correctly shows the speed v of the penny as a function of time t?
A) I
B) II
C) III
D) IV
E) V

Question

A copper penny slides on a horizontal frictionless table. There is a square region of constant uniform magnetic field perpendicular to the table, as shown. Which graph correctly shows the speed v of the penny as a function of time t? 
A) I 
B) II 
C) III 
D) IV 
E) V

Quizplus · Accepted Answer

The Answer of A copper penny slides on a horizontal frictionless table. There is a square region of constant uniform magnetic field perpendicular to the table, as shown. Which graph correctly shows the speed v of the penny as a function of time t? 
A) I 
B) II 
C) III 
D) IV 
E) V

A Copper Penny Slides on a Horizontal Frictionless Table