Question

what is delta in physics?

Answer 1

In general physics, delta-v is simply a change in velocity. The Greek uppercase letter delta is the standard mathematical symbol to represent change in some quantity. Depending on the situation, delta-v can be either a spatial vector (Δv) or scalar (Δv). ... v1or v1 is subsequent velocity (at time t1).

Answer 2

delta-v is simply change in velocity.