When the hawk is the third order consumer, the number of second order consumers shown are

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

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?