An alpha particle, which has charge 3.20 3 10219 c, is moved from point a, where the electric potential is 3.60 3 103 j/c, to point b, where the electric potential is 5.80 3 103 j/c. calculate the work done by the electric field on the alpha particle in electron volts.

b) 10 minutes

girls stopped for 10 minutes.

d₁ = displacement of tern from arctic to antarctic = 11000 miles

d₂ = displacement of tern from antarctic to arctic =   - 11000 miles

d = total displacement for the journey

total displacement for the journey is given as

d = d₁ + d₂

d = 11000 + (-11000)

d = 0 miles

t₁ = time of travel from arctic to antarctic = 3 months = 3 x 30 days = 90 days

t₂ = time of travel from antarctic to arctic = 3 months = 3 x 30 days = 90 days

t = total time of travel

total time of travel is given as

t = t₁ + t₂

t = 90 + 90

t = 180 days

average velocity is given as

average velocity = total displacement/ total time

v = d/t

v = 0/180

v = 0 miles/day

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at right angles to each other