Answer 1 = uniform circular motion

V1

V2

- V1

V2

- V1

V2

V2 - V1

a = (V2 - V1) /2

with T = 2s

a has the same direction than V2-V1 but half the magnitude.

a

V1

V2

F = m a

if m = 3kg, F = 3 a

V1

V2

directNIC Search
Hosted by directNIC.com