In polar coordinates (r, ), the unit vectors r and are defined as in Figure 9.11.

Question:

In polar coordinates (r, θ), the unit vectors r̂ and θ̂ are defined as in Figure 9.11. Show that

f = cose i + sin0j 6-sin0 i + cose jHence from the definition r = rr̂ show that

dr dt Deduce that df and dt -f+rw where co dr dt dt = w and dr dr - d dt -=-cof ro + 200 de dt do dt 6


YA O Figure 9.11 X

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: