Iron Man and War Machine are both superheroes that are encased in fairly invulne

Question

Iron Man and War Machine are both superheroes that are encased in fairly invulnerable metal suits, which we will assume act as conducting surfaces for the purposes of this problem. These two heroes are battling Electro, a supervillain capable of zapping his enemies with large amounts of electric charge. Electro zaps iron man and War machine with electricity, bringing the charge on the surface of Iron Man's suit to -2,500 Coulombs and the charge on the surface of War Machine's suit to +3,650 Coulombs. If we treat these two heroes as point particles, then:

A. What basic equation should be used to determine the electric force between them if they are separated by a distance of 6.2 meters?

B. What values should values should be used for each variable?

C. Solve to find the electric force Iron Man exerts on War Machine.

D. The electric force Iron Man exerts on War machine is __________________?

E. Is the electric force between these two attractive or repulsive?

F. What basic equation should be used to determine the electric field from Iron man at some location between these two heroes?

G. If we wish to know the magnitude of the electric field created by Iron Mans suit exactly halfway between Iron Man and War Machine, What values should be used for each of your variables.

H. Now, solve to find the electric field exactly halfway between Iron Man and War Machine

I. THe electric field exactly halfway between Iron Man and War Machine is________?

Explanation / Answer

a)electric force =kq1q2/r2

k=1/(4pie0) ;e0 =epsilon

q1 =-2500c and q2 =3650c and r=6.2m

electric force = [9 x 109 x -2500 x 3650]/6.22 =2136446.4 x 109N

electric force by iron man =electric force by war machine =2136446.4 x 109N

both attract each other

at some point in between them point is x from iron man and 6.2-x from war machine

and we find force by these values in the eqn

x=3.1 m is the mid distance and substitute in ythe eqn

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