Question

I only want answer for (iii) part. In book it's given 4.5 cm/`"s"^2`. Is this correct? If not, please give solution. Thanks!

Answer 1

(i) `0.3 "rad"/"s"`

(ii) `vec(v_B)=(15)(-1/2hati+sqrt3/2hatj)`

(iii) I got `2.25` `"cm"/"s"^2` but answer is `4.5 "cm"/"s"^2`

Explanation: