A car speeds up from 12.0 m/s to 16.0 m/s in 8.00s what is the acceleration

Determine the maximum r-value of the polar equation r =3+3 cos 0

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.