A rotating disk rotates with 6 m/s at a point 0.25 m from the center of that disk. The acceleration is m/s2 [A] A
a= v2r = 62×0.25 = 9

B
a= r2v = 0.252×6 = 0.375

C
a= v2÷r = 62÷0.25 = 144

D
a= r2÷v = 0.252÷6 = 0.01

answer; i believe the correct answer is (40,000 j) good luck

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

i already answered it by 34/s