Question

3) Vector ?⃗ has a magnitude of 11.9 and its direction is 110∘ counter‑clockwise from the +?-axis.

What are the ?- and ?-components of the vector?

??=

??=

5)

Vector A has components ??=−11.2 and ??=16.0 .

What is the magnitude of this vector?

∣∣?⃗∣∣=

Find the angle ? in degrees between the calculated vector and the +?‑axis.

?=

6)
During 8.35 s, a motorcyclist changes his velocity from ?1,?=−41.1 m/s and ?1,?=14.5 m/s to ?2,?=−20.1 m/s and ?2,?=29.9 m/s.

Find the components of the motorcycle's average acceleration during this process, ?av,? and ?av,?.

?av,?=

?av,?=

Answer 1

In rectoyuter Co-ordinate Answer: my Crinen 0 = 1100 lul=11.9 n=rces o Yarsing 7. Tot 62 = IV) N-comporest of vector An= lvl les 3 = 11.9 Cest10 = – 4.07 y-component Ay= lul ang= 11.9 Sn 110 - 11.18 Given An=11.2= AIC q Ay = 16 = 141 Sino HALI VAne Ay magnitude tak, 19.53 11811 - Jers - Jeu 23°4162 - 0361-44 -0.573 0 = Ces 3 = 11:2 Ces a co LAI ig is ૧૮ A ઈ R20 > 810 -0-8192 16 19.53 ayley behoon veeters And nolons 8 -180 - Sot Co-8192) 124.480 - glas

6) Loitial ratecite & vini e il V : -410$+ 14.5 final velocity I = kn + vay = -20.1 i +299) mL at = 8.355 Overige acceleration av V2-vi 8:35 (20.1 î+29.91)-(-411 11+145) = 8.35 ă = (-20-1 + 411) A (29.9–14.5 9-25 835 dowy és 2.51 À + 1.84 mp3 2.51 m/ Oory 1.84 m2