: Assume the cell surface is not slipping along the endothelium (the velocity of the point of contact is zero with respect to a stationary reference frame). What is the translational velocity of the cell in terms of radius and angular velocity

v = rω

Explanation:

The arc length covered in circular motion is related to the central angle turned by the body, through following equation or relation:

s = rθ

where,

s = arc length or linear displacement

r = radius of the path

θ = central angle turned by body

here, we have a cell surface that is slipping along endothelium and follows a circular path with radius r. So, we can apply the given relation here:

s = rθ

taking derivative on both sides with respect to time we get:

(ds/dt) = r dθ/dt

v = rω

where,

v = translational velocity

ω = angular velocity

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

lol

explanation: