Introduction to Classical Mechanics · Problem 11.13

Relativity (Kinematics) — Morin

Physics — Mechanics · equal-transverse-speeds

Problem

In the lab frame, an object moves with velocity

(u_x, u_y)

, and you move with velocity

v

in the

x

direction. What should

v

be so that you also see the object move with velocity

u_y

in your

y

direction? One solution is of course

v = 0

. Find the other one.